10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2013

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ____________ to ____________.

Commission File Number: 0-19582

OLD DOMINION FREIGHT LINE, INC.

(Exact name of registrant as specified in its charter)

VIRGINIA	56-0751714
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

500 Old Dominion Way

Thomasville, NC 27360

(Address of principal executive offices)

(Zip Code)

(336) 889-5000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Common Stock ($0.10 par value)	The NASDAQ Stock Market LLC (NASDAQ Global Select Market)

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes  ý    No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes  ¨     No  ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes  ý   No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  ý

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨	Smaller reporting company	¨
(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes  ¨     No  ý

The aggregate market value of voting stock held by non-affiliates of the registrant as of June 28, 2013 was $2,626,693,513, based on the closing sales price as reported on the NASDAQ Global Select Market.

As of February 27, 2014, the registrant had 86,164,917 outstanding shares of Common Stock ($0.10 par value).

DOCUMENTS INCORPORATED BY REFERENCE

Certain portions of the Company’s Proxy Statement for the 2014 Annual Meeting of Shareholders are incorporated by reference into Part III of this report.

INDEX

Forward-Looking Information 4

Part I		4
Item 1	Business	4
Item 1A	Risk Factors	9
Item 1B	Unresolved Staff Comments	17
Item 2	Properties	17
Item 3	Legal Proceedings	18
Item 4	Mine Safety Disclosures	18

Part II		18
Item 5	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	18
Item 6	Selected Financial Data	20
Item 7	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21
Item 7A	Quantitative and Qualitative Disclosures about Market Risk	31
Item 8	Financial Statements and Supplementary Data	33
Item 9	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure	50
Item 9A	Controls and Procedures	50
Item 9B	Other Information	52

Part III		52
Item 10	Directors, Executive Officers and Corporate Governance	52
Item 11	Executive Compensation	52
Item 12	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	52
Item 13	Certain Relationships and Related Transactions, and Director Independence	52
Item 14	Principal Accounting Fees and Services	52

Part IV		53
Item 15	Exhibits, Financial Statement Schedules	53

Signatures	54
Exhibit Index	55

FORWARD-LOOKING INFORMATION

Forward-looking statements appear in this Annual Report, including but not limited to Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and in other written and oral statements made by or on behalf of us. These forward-looking statements include, but are not limited to, statements relating to our goals, strategies, expectations, competitive environment, regulation, availability of resources, future events and future financial performance. Such forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements typically can be identified by such words as “anticipate,” “estimate,” “forecast,” “project,” “intend,” “expect,” “believe,” “should,” “could,” “may,” or other similar words or expressions. We caution readers that such forward-looking statements involve risks and uncertainties that could cause actual events or results to differ materially from those expressed or implied herein, including, but not limited to, the risk factors detailed in this Annual Report.

Our forward-looking statements are based on our beliefs and assumptions using information available at the time the statements are made. We caution the reader not to place undue reliance on our forward-looking statements as (i) these statements are neither a prediction nor a guarantee of future events or circumstances and (ii) the assumptions, beliefs, expectations and projections about future events may differ materially from actual results. We undertake no obligation to publicly update any forward-looking statement to reflect developments occurring after the statement is made.

PART I

ITEM 1. BUSINESS

Unless the context requires otherwise, references in this report to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Overview

We are a leading, less-than-truckload (“LTL”), union-free motor carrier providing regional, inter-regional and national LTL service and other logistics services from a single integrated organization. We are the fifth largest LTL motor carrier in the United States, as measured by 2012 revenue, according to Transport Topics. In addition to our core LTL services, we offer a broad range of value-added services including international freight forwarding, ground and air expedited transportation, container delivery, truckload brokerage, supply chain consulting, warehousing and consumer household pickup and delivery. Our services are complemented by our technological capabilities, which we believe provide the tools to improve the efficiency of our operations while empowering our customers to manage their shipping needs. More than 90% of our revenue is derived from transporting LTL shipments for our customers, whose demand for our services is generally tied to industrial production and the overall health of the U.S. domestic economy.

We have increased our revenue and customer base over the past five years primarily through organic growth. Our infrastructure allows us to provide next-day and second-day service within each of our six regions covering the continental United States, as well as inter-regional and national service between these regions. To support our ongoing expansion, we added 15 new service centers during the past five years for a total of 221 at December 31, 2013.

We believe our growth can be attributed to our focus on meeting our customers’ complete supply chain needs from a single point of contact while providing a superior level of customer service at a fair and equitable price. Our integrated structure allows us to offer our customers consistent high-quality service from origin to destination, and we believe our operating structure and proprietary information systems also enable us to efficiently manage our operating costs.

We were founded in 1934 and incorporated in Virginia in 1950. Our principal executive offices are located at 500 Old Dominion Way, Thomasville, North Carolina 27360. Please refer to the Balance Sheets and Statements of Operations included in Item 8, “Financial Statements and Supplementary Data” in this report for information regarding our total assets, revenue from operations and net income.

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Our Industry

Trucking companies provide transportation services to virtually every industry operating in the United States and generally offer higher levels of reliability and faster transit times than other surface transportation options. The trucking industry is comprised principally of two types of motor carriers: LTL and truckload. LTL carriers typically pick up multiple shipments from multiple customers on a single truck and then route that freight for delivery through service centers where the freight may be transferred to other trucks with similar destinations. In contrast, truckload carriers generally dedicate an entire trailer to one customer from origin to destination.

According to the American Trucking Associations, total U.S. freight transportation revenue in 2012 was $795.7 billion, of which the trucking industry accounted for 80.7%. The LTL sector had revenue in 2012 of $51.5 billion, which represented 6.5% of total U.S. freight transportation revenue. In contrast to truckload carriers, LTL motor carriers require expansive networks of local pickup and delivery (“P&D”) service centers, as well as larger breakbulk, or hub, facilities. Significant capital is required to create and maintain a network of service centers and a fleet of tractors and trailers. The high fixed costs and capital spending requirements for LTL motor carriers make it difficult for new start-up or small operators to effectively compete with established carriers. In addition, successful LTL motor carriers generally employ, and regularly update, a high level of technology-based systems and processes that provide information to customers and help reduce our operating costs.

The LTL industry is highly competitive on the basis of service and price and has consolidated significantly since the industry was deregulated in 1980. Based on 2012 revenue as reported in Transport Topics, the largest 25 LTL motor carriers accounted for approximately 60.6% of the total LTL market. We believe consolidation in our industry will continue due to customer demand for transportation providers offering both national and regional LTL as well as other complementary value-added services.

Competition

We compete with regional, inter-regional and national LTL carriers and, to a lesser extent, with truckload carriers, small package carriers, airfreight carriers and railroads. We also compete with, and provide transportation services to, third-party logistics providers that determine both the mode of transportation and the carrier. Competition is based primarily on service, price and business relationships. We believe we are able to compete effectively in our markets by providing superior-quality and timely service at a fair and equitable price.

At all levels of our organization, we seek to continuously improve customer service by maximizing on-time performance while reducing transit times and minimizing cargo claims. We believe our transit times are generally faster than those of our principal national competitors, in part because of our more efficient service center network, use of team drivers and proprietary technology. In addition, we provide greater geographic coverage than most of our regional competitors. Our diversified mix and scope of regional, inter-regional and national service, combined with our value-added service offerings, enables us to provide our customers with a single source to meet their shipping and logistics needs. We believe this provides us with a distinct advantage over most of our regional, multi-regional and national competition.

We utilize flexible scheduling and train our employees to perform multiple tasks, which we believe allows us to achieve greater productivity and higher levels of customer service than our competitors. We believe our focus on employee communication, continued education, development and motivation strengthens the relationships and trust among our employees.

We compete with several large and more diversified transportation service providers, each of which may have more equipment, a broader global network and a wider range of services than we have. Our larger competitors may also have greater financial resources and, in general, the ability to reduce prices to gain business, especially during times of reduced growth rates in the economy.

Service Center Operations

At December 31, 2013, we operated through 221 service center locations, of which we owned 158 and leased 63. We operate a total of ten major breakbulk facilities located in Rialto, California; Atlanta, Georgia; Chicago, Illinois; Indianapolis, Indiana; Greensboro, North Carolina; Harrisburg, Pennsylvania; Memphis and Morristown, Tennessee; Dallas, Texas; and Salt Lake City, Utah, while using various other service centers for limited breakbulk activity in order to serve our next-day markets. Our service centers are strategically located in six regions of the country so that we can provide the highest quality service and minimize freight rehandling costs.

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Our service centers are responsible for the pickup and delivery of freight within their service area. Each night, our service centers load outbound freight for transport to other service centers for delivery. All inbound freight received by the service center in the evening or during the night is scheduled for local delivery the next business day, unless a customer requests a different delivery schedule. Our management reviews the productivity and service performance of each service center on a daily basis to help ensure quality service and efficient operations.

While we have established primary responsibility for customer service at the local service center level, our customers may access information and initiate transactions through our centralized customer service department located at our corporate office or through several other gateways, such as our website, mobile applications, electronic data interchange (“EDI”), email and fax notification systems and automated voice response systems. Our systems offer direct access to information such as freight tracking, shipping documents, rate quotes, rate databases and account activity. These centralized systems and our customer service department provide our customers with a single point of contact to access information across all areas of our operations and for each of our service offerings.

Linehaul Transportation

Linehaul dispatchers control the movement of freight between service centers through integrated freight movement systems. We also utilize load-planning software to optimize efficiencies in our linehaul operations. Our management team monitors freight movements, transit times, load factors and many other productivity measurements to ensure that we maintain our high levels of service and efficiency.

We utilize scheduled routes, and additional linehaul dispatches as necessary, to meet our published transit times. In addition, we lower our cost structure by primarily using twin 28-foot trailers in our linehaul operations. The use of twin 28-foot trailers permits us to transport freight directly from its point of origin to destination with minimal unloading and reloading, which also reduces cargo loss and damage expenses. We utilize long-combination vehicles, such as triple 28-foot trailers and combinations of 48-foot and 28-foot trailers, in states where permitted. Twin trailers and long-combination vehicles permit more freight to be transported behind a tractor than could otherwise be transported by one large trailer.

Tractors, Trailers and Maintenance

At December 31, 2013, we owned 6,296 tractors. We generally use new tractors in linehaul operations for approximately three to five years and then transfer those tractors to P&D operations for the remainder of their useful lives. In many of our service centers, tractors perform P&D functions during the day and linehaul functions at night to maximize tractor utilization.

At December 31, 2013, we owned 25,052 trailers. We primarily purchase new trailers for our operations; however, we occasionally purchase pre-owned equipment that meets our specifications. The purchase of pre-owned equipment can provide an excellent value but also can increase our fleet’s average age. The table below reflects, as of December 31, 2013, the average age of our tractors and trailers:

Type of Equipment	Number of Units	Average Age (In years)
Tractors	6,296	4.8
Linehaul trailers	18,077	5.7
P&D trailers	6,975	12.9

We develop certain specifications for tractors and trailers and then negotiate the production and purchase of this equipment with several manufacturers. These purchases are planned well in advance of anticipated delivery dates in order to accommodate manufacturers’ production schedules. We believe there is sufficient capacity among suppliers to ensure an uninterrupted supply of equipment to support our operations.

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The table below sets forth our capital expenditures for tractors and trailers for the years ended December 31, 2013, 2012 and 2011. For more information concerning our capital expenditures, see Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Liquidity and Capital Resources” in this report.

	Year Ended December 31,
(In thousands)	2013		2012		2011
Tractors	$	59,317	$	113,257	$	69,837
Trailers	70,042		83,405		62,326
Total	$	129,359	$	196,662	$	132,163

At December 31, 2013, we operated 38 maintenance centers at certain service center locations throughout our network. These maintenance centers are equipped to perform routine and preventive maintenance and repairs on our equipment.

We adhere to established maintenance policies and procedures to help ensure our fleet is properly maintained. Tractors are routed to appropriate maintenance facilities at designated mileage intervals or 90 days, whichever occurs first. Trailers are scheduled for maintenance every 90 days.

Customers

Revenue is generated by customers dispersed primarily throughout the United States and North America. In 2013, our largest customer accounted for approximately 2.6% of our revenue and our largest 5, 10 and 20 customers accounted for approximately 9.4%, 14.3% and 21.2% of our revenue, respectively. For each of the previous three years, more than 90% of our revenue was derived from transporting LTL shipments for our customers and less than 5% of our revenue was generated from international services. We believe the diversity of our customer base helps protect our business from adverse developments in a single geographic region and from the reduction or loss of business from a single customer.

We utilize an integrated freight-costing system to determine the price level at which a particular shipment of freight will be profitable. We can modify elements of this freight-costing model to simulate the actual conditions under which the freight will be moved. Many of our customers engage our services through the terms and provisions of our tariffs and through negotiated service contracts. We also compete for business by participating in bid solicitations. Customers generally solicit bids for relatively large numbers of shipments for a period of one to two years and typically choose to enter into contractual arrangements with a limited number of motor carriers based upon price and service.

Seasonality

Our operations are subject to seasonal trends common in the trucking industry. Our operating margins in the first quarter are normally lower due to reduced demand during the winter months. Harsh weather can also adversely affect our performance by reducing demand and reducing our ability to transport freight, which could result in decreased revenue and increased operating expenses.

Technology

We continually upgrade and enhance our technological capabilities, and we provide access to our systems through multiple gateways that offer our customers maximum flexibility and immediate access to information. We employ vehicle safety systems, on-board and hand-held computer systems, freight handling systems and logistics technology to reduce costs and transit times. We continue to focus on the development and enhancement of the technology used in our operations in order to improve the efficiency and effectiveness of our services.

Insurance

We carry a significant amount of insurance with third-party insurance carriers, but we are exposed to the risk of loss on claims up to the limit for which we hold either a self-insured retention ("SIR") or deductible. At December 31, 2013, the amounts for our SIR and/or deductibles were as follows: $2.75 million per occurrence for bodily injury and property damage (“BIPD”) claims, $100,000 per claim for cargo loss and damage, $1.0 million per occurrence for workers’ compensation claims and $400,000 per occurrence (with a $400,000 aggregate over our retention level) for group health claims.

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We believe that our policy of maintaining an SIR or deductible for a portion of our risks, supported by our safety and loss prevention programs, is an effective means of managing insurance costs. We periodically review our risks and insurance coverage applicable to those risks and we believe that we maintain sufficient insurance coverage.

Diesel Fuel Availability and Cost

Our industry depends heavily upon the availability of diesel fuel. Although we currently maintain fuel storage and pumping facilities at 58, or 26%, of our service center locations, we may be susceptible to fuel shortages at certain locations that could cause us to incur additional expense to help ensure adequate supply on a timely basis to prevent a disruption to our service schedules.

Diesel fuel costs, including fuel taxes, totaled 13.2%, 14.3% and 14.9% of revenue in 2013, 2012 and 2011, respectively. We believe our operations and financial condition are susceptible to the same diesel fuel price increases or shortages as those of our competitors. We implemented a fuel surcharge program in August 1999, which has remained in effect since that time and is one of many components that we use to determine the overall price for our transportation services. Our fuel surcharges are generally indexed to fuel prices published by the U.S. Department of Energy (the “DOE”) that reset each week.

Employees

As of December 31, 2013, we employed 14,073 individuals on a full-time basis, none of which were represented under a collective bargaining agreement. Our full-time employees work in the following roles:

Full-Time Employees	Number of Employees
Drivers	7,480
Platform	2,260
Sales	518
Fleet technicians	481
Salaried, clerical and other	3,334
Total	14,073

As of December 31, 2013, we employed 3,791 linehaul drivers and 3,689 P&D drivers on a full-time basis. We select our drivers primarily based upon safe driving records and experience. Among other requirements, our drivers must pass a drug test, have a current U.S. Department of Transportation (“DOT”) physical and have a valid commercial driver’s license prior to employment. Once employed, drivers are required to obtain and maintain hazardous materials endorsements to their commercial driver’s licenses. Drivers, as well as all employees, are required to take pre-employment drug and alcohol tests and are randomly selected for periodic additional testing.

Since 1988, we have provided the opportunity for qualified employees to become drivers through the “Old Dominion Driver Training Program.” There are currently 1,975 active drivers who have successfully completed this training, which was approximately 26% of our driver workforce as of December 31, 2013. We believe our driver training and qualification programs have been important factors in improving our safety record and retaining qualified drivers. We reward our drivers who maintain safe driving records through bonuses of up to $3,000 per driver payable each year. Our driver safety bonuses totaled $2.8 million, $2.6 million and $2.3 million in 2013, 2012 and 2011, respectively. In addition, we have experienced an annual turnover rate for our driver graduates of approximately 6.0%, which is below our Company-wide turnover rate for all drivers of approximately 10.4%.

At December 31, 2013, we had a sales staff of 518 employees. We compensate our sales force, in part, based upon certain operating metrics to help motivate our sales employees to achieve our service, growth and profitability objectives.

Governmental Regulation

We are subject to regulation by many federal governmental agencies, including the Federal Motor Carrier Safety Administration (the “FMCSA”), the Pipeline and Hazardous Materials Safety Agency and the Surface Transportation Board, which are agencies within the DOT. We are also subject to rules and regulations of various state agencies. These regulatory authorities have broad powers, generally governing matters such as authority to engage in motor carrier operations, motor carrier registration, driver hours of service, safety and fitness of transportation equipment and drivers, certain mergers,

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consolidations and acquisitions and periodic financial reporting. In addition, we are subject to compliance with cargo-security and transportation regulations issued by the Transportation Security Administration ("TSA") within the U.S. Department of Homeland Security.

In October 2009, the U.S. Court of Appeals for the District of Columbia Circuit ordered the FMCSA to review and re-issue rules governing hours of service for commercial truck drivers by July 26, 2011. This deadline was extended and on December 22, 2011, the FMCSA issued its final rule, which mandated compliance by July 1, 2013. The final rule reduces the maximum number of hours a truck driver can work each week to 70 hours from the former 82-hour limit. The rule maintains a maximum 11-hour daily driving limit, but requires drivers to take a 30-minute break prior to working beyond eight hours. The rule also includes changes to the “34-hour restart” provision. Implementation of the new rule has required certain changes in our operating procedures and has increased our operating costs by limiting the productivity of our drivers. As a result, we have hired additional drivers to supplement our labor requirements, which have increased our costs. While we are unable to fully quantify all of the effects of implementing the new rule, we do not believe these additional costs had a material impact on our operating costs. We are, however, subject to future rulemaking by the FMCSA and other regulatory agencies, which could be more stringent, require additional changes to our operations, increase our operating costs or otherwise adversely impact our results of operations.

The trucking industry is subject to regulatory and legislative changes from a variety of other governmental authorities, which address matters such as: (i) increasingly stringent environmental and occupational safety and health regulations; (ii) limits on vehicle weight and size; (iii) ergonomics; (iv) port security; and (v) hours of service. These changes may affect our business or the economics of our industry by requiring changes in operating practices, or by influencing the demand for and increasing the costs of providing our services.

Environmental Regulation

We are subject to various federal, state and local environmental laws and regulations that focus on, among other things: the emission and discharge of hazardous materials into the environment or their presence at our properties or in our vehicles; fuel storage tanks; transportation of certain materials; and the discharge or retention of storm water. Under specific environmental laws, we could also be held responsible for any costs relating to contamination at our past or present facilities and at third-party waste disposal sites, as well as costs associated with clean-up of accidents involving our vehicles. We do not believe that the cost of future compliance with current environmental laws or regulations will have a material adverse effect on our operations, financial condition, competitive position or capital expenditures for the remainder of 2014. However, future changes to laws or regulations may adversely affect our operations and could result in unforeseen costs to our business.

Available Information

Through our website, http://www.odfl.com, we make available, free of charge, our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and any amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as soon as practicable after we electronically file the material with or furnish it to the U.S. Securities and Exchange Commission (the “SEC”). The public may read or copy any document we file with the SEC at the SEC’s website, http://www.sec.gov (File No. 0-19582), or at the SEC’s Public Reference Room at 100 F Street, NE, Washington, D.C. 20549-2736. The SEC can be reached at 1-800-SEC-0330 for further information on the operation of the Public Reference Room. Information contained on our website is neither part of nor incorporated by reference into this Form 10-K or any other report we file with or furnish to the SEC.

ITEM 1A. RISK FACTORS

Various factors exist that could cause our actual results to differ materially from those projected in any forward-looking statement. In addition to the factors discussed elsewhere in this report, we believe the following are some of the important risks and uncertainties that could materially affect our business, financial condition or results of operations:

We operate in a highly competitive industry, and our business will suffer if we are unable to adequately address potential downward pricing pressures and other factors that may adversely affect our operations and profitability.

Numerous competitive factors could impair our ability to maintain our current profitability. These factors include, but are not limited to, the following:

• we compete with other transportation service providers of varying sizes, some of which may have more equipment, a broader global network, a wider range of services, greater capital resources or other competitive advantages;

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• some of our competitors periodically reduce their prices to gain business, especially during times of reduced growth rates in the economy, which may limit our ability to maintain or increase prices or maintain revenue;

• we may be unable to continue to collect fuel surcharges or our fuel surcharge program may become ineffective in mitigating the impact of fluctuating costs for fuel and other petroleum-based products;

• many customers reduce the number of carriers they use by selecting “core carriers” as approved transportation service providers and we may not be selected;

• many customers periodically accept bids from multiple carriers for their shipping needs, and this process may depress prices or result in the loss of some business to competitors;

• some customers may choose to operate their own private trucking fleet or may choose to increase the volume of freight they transport if they have an existing private trucking fleet;

• some customers may choose to consolidate certain LTL shipments through a different mode of transportation, such as truckload, intermodal or rail;

• the trend towards consolidation in the ground transportation industry may create other large carriers with greater financial resources and other competitive advantages relating to their size;

• advances in technology require increased investments to remain competitive, and our customers may not be willing to accept higher prices to cover the cost of these investments; and

• competition from non-asset-based logistics and freight brokerage companies may adversely affect our customer relationships and ability to maintain sufficient pricing.

If we are unable to effectively compete with other LTL carriers, whether on the basis of price, service or otherwise, we may be unable to retain existing customers or attract new customers, either of which could have a material adverse effect on our business, financial condition and results of operations.

If our employees were to unionize, our operating costs would increase and our ability to compete would be impaired.

None of our employees are currently represented under a collective bargaining agreement. However, from time to time there have been efforts to organize our employees at various service centers. Further, Congress or one or more states could approve legislation and/or the National Labor Relations Board could render decisions or implement rule changes that could significantly affect our business and our relationship with our employees, including actions that could substantially liberalize the procedures for union organization. In addition, we can offer no assurance that the Department of Labor will not adopt new regulations or interpret existing regulations in a manner that would favor the agenda of unions, or that our employees will not unionize in the future, particularly if regulatory changes occur that facilitate unionization.

The unionization of our employees could have a material adverse effect on our business, financial condition and results of operations because:

• some shippers have indicated that they intend to limit their use of unionized trucking companies because of the threat of strikes and other work stoppages;

• restrictive work rules could hamper our efforts to improve and sustain operating efficiency;

• restrictive work rules could impair our service reputation and limit our ability to provide next-day services;

• a strike or work stoppage would negatively impact our profitability and could damage customer and employee relationships; and

• an election and bargaining process could divert management’s time and attention from our overall objectives and impose significant expenses.

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If we are unable to successfully execute our growth strategy, our business and future results of operations may suffer.

Our growth strategy includes increasing the volume of freight moving through our existing service center network, selectively expanding our geographic footprint and broadening the scope of our service offerings. In connection with our growth strategy, at various times, we have made selective acquisitions, purchased additional equipment, expanded and upgraded service centers and increased our sales and marketing efforts, and we expect to continue to do so. Our growth strategy exposes us to a number of risks, including the following:

• geographic expansion requires start-up costs that could expose us to temporary losses;

• shortages of suitable real estate may limit our growth and geographic expansion and might cause congestion in our service center network, which could result in increased operating expenses;

• growth may strain our management, capital resources, information systems and customer service;

• hiring new employees may increase training costs and may result in temporary inefficiencies until those employees become proficient in their jobs; and

• expanding our service offerings may require us to enter into new markets and encounter new competitive challenges.

We cannot assure that we will overcome the risks associated with our growth strategy. If we fail to overcome those risks, we may not realize additional revenue or profits from our efforts, we may incur additional expenses and, therefore, our financial position and results of operations could be materially and adversely affected.

We may be unable to successfully consummate and integrate acquisitions as part of our growth strategy.

Growth through acquisitions has been a key component of our LTL growth strategy throughout our history. In the future, we may seek to acquire other LTL carriers as well as other complementary businesses. Exploration of potential acquisitions requires significant attention from our senior management team. In addition, we expect to compete for acquisition opportunities with other companies, some of which may have greater financial and other resources than we do. We cannot assure that we will

have sufficient cash with which to consummate an acquisition or otherwise be able to obtain financing for any acquisition. If we are unable to access sufficient funding for potential acquisitions, we may not be able to complete transactions that we otherwise find advantageous.

Any subsequent acquisition will entail numerous risks, including:

• we may not achieve anticipated levels of revenue, efficiency, cash flows and profitability;

• we may experience difficulties managing businesses that are outside our historical core competency and markets;

• we may underestimate the resources required to support acquisitions, which could disrupt our ongoing business and distract our management;

• we may incur unanticipated costs to our infrastructure to support new business lines or separate legal entities;

• we may be required to temporarily match existing customer pricing in the acquiree’s markets, which may be lower than the rates that we would typically charge for our services;

• liabilities we assume could be greater than our original estimates or may not be disclosed to us at the time of acquisition;

• we may incur additional indebtedness or we may issue additional equity to finance future acquisitions, which could be dilutive to our shareholders;

• potential loss of key employees and customers of the acquired company; and

• an inability to recognize projected cost savings and economies of scale.

In addition, we may have difficulty integrating any acquired business and its operations, services and personnel into our existing operations, and such integration may require a significant amount of time and effort by our management team. To the extent we do not successfully avoid or overcome the risks or problems resulting from any acquisitions we undertake, there could be a material adverse effect on our business, financial condition and results of operations.

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Our customers’ and suppliers’ business may be impacted by a downturn in the economy and/or a disruption of financial markets, which may decrease demand for our services.

Adverse economic conditions can negatively affect our customers’ business levels, the amount of transportation services they need, their ability to pay for our services and overall freight levels, all of which might impair our asset utilization. Customers encountering adverse economic conditions may be unable to obtain additional financing, or financing under acceptable terms, due to disruptions in the capital and credit markets. These customers represent a greater potential for bad debt losses, which may require us to increase our reserve for bad debt. Economic conditions resulting in bankruptcies of one or more of our large customers could have a significant impact on our financial position, results of operations or liquidity in a particular year or quarter. Further, when adverse economic times arise customers may bid out freight or select competitors that offer lower rates in an attempt to lower their costs and we might be forced to lower our rates or lose freight.

Our suppliers’ business levels also may be negatively affected by adverse economic conditions or financial constraints, which could lead to disruptions in the supply and availability of equipment, parts and services critical to our operations. A significant interruption in our normal supply chain could disrupt our operations, increase our costs and negatively impact our ability to serve our customers.

We also are subject to cost increases outside of our control that could materially reduce our profitability if we are unable to increase our rates sufficiently. Such cost increases include, but are not limited to, increases in fuel prices, driver wages, interest rates, taxes, tolls, license and registration fees, insurance, revenue equipment and healthcare for our employees.

Increases in driver compensation or other difficulties attracting and retaining qualified drivers could adversely affect our profitability and ability to maintain or grow our fleet.

From time to time we have experienced difficulty in attracting and retaining sufficient numbers of qualified drivers and such shortages may recur in the future. Because of the intense competition for drivers, we may face difficulty maintaining or increasing our number of drivers. The compensation we offer our drivers is subject to market conditions that may require increases in driver compensation, which becomes more likely as economic conditions improve. If we are unable to attract and retain a sufficient number of drivers, we could be required to adjust our compensation packages, or operate with fewer trucks and face difficulty meeting shipper demands, all of which could adversely affect our profitability and ability to maintain our size or grow.

Insurance and claims expenses could significantly reduce our profitability.

We are exposed to claims related to cargo loss and damage, property damage, personal injury, workers’ compensation, group health and group dental. We have insurance coverage with third-party insurance carriers, but we assume a significant portion of the risk associated with these claims due to our SIRs and deductibles. Our operating results would be adversely affected if any of the following were to occur: (i) the number or severity of claims increases; (ii) we are required to accrue or pay additional amounts because the claims prove to be more severe than our original assessment; or (iii) claims exceed our excess coverage amounts. If claims exceed our retention or deductible levels or insurance market conditions change, insurers could raise premiums for excess coverage to cover their expenses and anticipated future losses. In addition, insurance companies require us to obtain letters of credit to collateralize our retention or deductible levels. If these requirements increase, our borrowing capacity could be adversely affected.

Healthcare legislation may increase our costs and reduce our future profitability.

To attract and retain employees, we maintain a competitive health insurance plan for our employees and their dependents. The Patient Protection and Affordable Care Act, which was signed into law in 2010 and has several provisions not yet in effect, is expected to increase our annual employee healthcare costs going forward. We cannot predict the impact that this legislation, or any future state or federal healthcare legislation or regulation, will have on our operations. However, rising healthcare costs and universal healthcare coverage in the United States could result in significant long-term costs to us, which could have a material adverse effect on our operating results. In addition, rising healthcare costs could force us to make further changes to our benefits program, which could negatively impact our ability to attract and retain employees.

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We have significant ongoing cash requirements that could limit our growth and affect our profitability if we are unable to obtain sufficient capital.

Our business is highly capital intensive. We generally finance our capital expenditures and planned growth with existing cash, cash flow from operations, issuance of debt and through available borrowings under our existing senior unsecured credit agreement. We may require additional capital to finance long-term real estate purchase opportunities and acquisitions, which we may fund through additional debt or through equity offerings. If we are unable in the future to generate sufficient cash from our operations or raise capital by accessing the debt and equity markets, we may be forced to limit our growth and operate our equipment for longer periods of time, which could have a material adverse effect on our operating results.

Our business also has significant ongoing operating cash requirements. If our cash requirements are high or our cash flow from operations is low during particular periods, we may need to seek additional financing, which could be costly or difficult to obtain.

Limited supply and increased prices for new equipment may adversely affect our earnings and cash flow.

We may face difficulty in purchasing new equipment due to decreased supply and increased costs. Investment in new equipment is a significant part of our annual capital expenditures and we require an available supply of tractors and trailers from equipment manufacturers to operate and grow our business. We are also subject to shortages in raw materials that are required for the production of critical operating equipment and supplies, such as shortages in rubber or steel.

The price of our equipment may also be adversely affected in the future by regulations on newly manufactured tractors and diesel engines. We have incurred significant increases in the cost of tractors due to regulations issued by the U.S. Environmental Protection Agency (the “EPA”) and various state agencies that require progressive reductions in exhaust emissions from diesel engines. Beginning in October 2002, new diesel engines were required to meet these new emission limits. Some of the regulations required reductions in the sulfur content of diesel fuel beginning in June 2006 and the introduction of emissions after-treatment devices on newly-manufactured engines and vehicles beginning with model-year 2007. The final phase of these regulations required reduced nitrogen and non-methane hydrocarbon emissions beginning with model-year 2010. Beginning in 2013, these regulations also required that all heavy-duty diesel engines built for highway applications over 14,000 pounds include certified onboard diagnostics systems to monitor emissions. These regulations have resulted in higher prices for tractors and diesel engines and increased operating and maintenance costs, and there can be no assurance that continued increases in pricing or costs will not have an adverse effect on our business and results of operations.

We may be adversely impacted by fluctuations in the availability and price of diesel fuel.

Diesel fuel is a critical component of our operations and a significant operating expense for our business. Diesel fuel prices and fuel availability can be impacted by factors beyond our control, such as natural or man-made disasters, adverse weather conditions, political events, price and supply decisions by oil producing countries and cartels, terrorist activities, armed conflict and world supply and demand imbalances. We maintain fuel storage and pumping facilities at many of our service center locations; however, we may be susceptible to fuel shortages at certain locations that could cause us to incur additional expense to ensure adequate supply on a timely basis to prevent a disruption to our service schedules. An interruption in the supply of diesel fuel could have a material adverse effect on our operating results.

We do not hedge against the risk of diesel fuel price increases. An increase in diesel fuel prices or diesel fuel taxes, or any change in federal or state regulations that results in such an increase, could have a material adverse effect on our operating results. We have fuel surcharge programs in place with a majority of our customers, which help offset the negative impact of the increased cost of diesel fuel and other petroleum-based products. However, we also incur fuel costs that cannot be recovered even with respect to customers with which we maintain fuel surcharge programs, such as those costs associated with empty miles or the time when our engines are idling. Because our fuel surcharge recovery lags behind changes in fuel prices, our fuel surcharge recovery may not capture the increased costs we pay for fuel, especially when prices are rising, leading to fluctuations in our levels of reimbursement. We regularly monitor the components of our pricing, including fuel surcharges, and address individual account profitability issues with our customers when necessary; however, there can be no assurance that fuel surcharges can be maintained indefinitely or will be sufficiently effective in offsetting increases in diesel fuel prices.

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We are subject to various environmental laws and regulations, and costs of compliance with, liabilities under, or violations of, existing or future environmental laws or regulations could adversely affect our business.

We are subject to various federal, state and local environmental laws and regulations that govern, among other things, the emission and discharge of hazardous materials into the environment, the presence of hazardous materials at our properties or in our vehicles, fuel storage tanks, the transportation of certain materials and the discharge or retention of storm water. Under certain environmental laws, we could also be held responsible for any costs relating to contamination at our past or present facilities and at third-party waste disposal sites, as well as costs associated with the clean-up of accidents involving our vehicles. Environmental laws have become and are expected to continue to be increasingly more stringent over time, and there can be no assurance that our costs of complying with current or future environmental laws or liabilities arising under such laws will not have a material adverse effect on our business, operations or financial condition.

In addition to the EPA regulations on exhaust emissions with which we must comply, there is an increased regulatory focus on climate change and greenhouse gas emissions in the United States. As a result, we may become subject to additional legislation or rulemaking that could adversely impact our business. Any future limitations on the emission of greenhouse gases or other environmental legislation could increase our future capital expenditures and have an adverse impact on our financial condition, results of operations and liquidity.

We are subject to the risks of litigation and governmental proceedings, which could adversely affect our business.

We are, and in the future may be, subject to legal and governmental proceedings and claims. The parties in such legal actions may seek amounts from us that may not be covered in whole or in part by insurance. Defending ourselves against such legal actions could result in significant costs and could require a substantial amount of time and effort by our management team. We cannot predict the outcome of litigation or governmental proceedings to which we are a party or whether we will be subject to future legal actions. As a result, the potential costs associated with legal actions against us could adversely affect our business, financial condition or results of operations.

We are subject to various risks arising from our international business operations and relationships, which could adversely affect our business.

We arrange for transportation and logistics services to and from various international locations and are subject to both the risks of conducting international business and the requirements of the Foreign Corrupt Practices Act of 1977 (the "FCPA"). Failure to comply with the FCPA may result in legal claims against us.  In addition, we face other risks associated with international operations and relationships, which may include restrictive trade policies, imposition of duties, taxes or government royalties imposed by foreign governments.

We operate in a highly regulated industry, and increased costs of compliance with, or liability for violation of, existing or future regulations could have a material adverse effect on our business.

We are regulated by the DOT and by various state agencies. These regulatory authorities have broad powers, generally governing matters such as authority to engage in motor carrier operations, as well as motor carrier registration, driver hours of service, safety and fitness of transportation equipment and drivers, transportation of hazardous materials, certain mergers and acquisitions and periodic financial reporting. In addition, the trucking industry is subject to regulatory and legislative changes from a variety of other governmental authorities, which address matters such as: (i) increasingly stringent environmental, occupational safety and health regulations; (ii) limits on vehicle weight and size; (iii) ergonomics; (iv) port security; and (v) hours of service. In addition, we are subject to compliance with cargo-security and transportation regulations issued by the TSA within the U.S. Department of Homeland Security. Regulatory requirements, and changes in regulatory requirements, may affect our business or the economics of the industry by requiring changes in operating practices or by influencing the demand for and increasing the costs of providing transportation services.

In October 2009, the U.S. Court of Appeals for the District of Columbia Circuit ordered the FMCSA to review and re-issue rules governing hours of service for commercial truck drivers by July 26, 2011. This deadline was extended and on December 22, 2011, the FMCSA issued its final rule, which mandated compliance by July 1, 2013. The final rule reduces the maximum number of hours a truck driver can work each week to 70 hours from the former 82-hour limit. The rule maintains a maximum 11-hour daily driving limit, but requires drivers to take a 30-minute break prior to working beyond eight hours. The rule also includes changes to the “34-hour restart” provision. Implementation of the new rule has required certain changes in

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our operating procedures and increased our operating costs by limiting the productivity of our drivers. As a result, we have hired additional drivers to supplement our labor requirements, which have increased our costs. While we are unable to fully quantify all of the effects of implementing the new rule, we do not believe these additional costs had a material impact on our operating costs. We are, however, subject to future rulemaking by the FMCSA and other regulatory agencies, which could be more stringent, require additional changes to our operations, increase our operating costs or otherwise adversely impact our results of operations.

The FMCSA’s Compliance, Safety, Accountability initiative (“CSA”) could adversely impact our ability to hire qualified drivers, meet our growth projections and maintain our customer relationships, each of which could adversely impact our results of operations.

The CSA includes compliance and enforcement initiatives designed to monitor and improve commercial motor vehicle safety by measuring the safety record of both the motor carrier and the driver. These measurements are scored and used by the FMCSA to identify potential safety risks and to direct enforcement action. CSA scores for transportation companies are currently available on the FMCSA’s website.

Our CSA scores are dependent upon our safety and compliance experience, which could change at any time. In addition, the safety standards prescribed in CSA could change and our ability to maintain an acceptable score could be adversely impacted. If we receive an unacceptable CSA score, our relationships with our customers could be damaged, which could result in a loss of business.

The requirements of CSA could shrink the industry’s pool of drivers as those with unfavorable scores could leave the industry. As a result, the costs to attract, train and retain qualified drivers could increase. In addition, a shortage of qualified drivers could increase driver turnover, decrease asset utilization, limit growth and adversely impact our results of operations.

Our results of operations may be affected by seasonal factors and harsh weather conditions.

Our operations are subject to seasonal trends common in the trucking industry. Our operating margins in the first quarter are normally lower due to reduced demand during the winter months. Harsh weather can also adversely affect our performance by reducing demand and reducing our ability to transport freight, which could result in decreased revenue and increased operating expenses.

If we are unable to retain our key employees, our financial condition, results of operations and liquidity could be adversely affected.

Our success will continue to depend upon the experience and leadership of our key employees and executive officers. In that regard, the loss of the services of any of our key personnel could have a material adverse effect on our financial condition, results of operations and liquidity.

Our principal shareholders control a large portion of our outstanding common stock.

Earl E. Congdon, David S. Congdon, John R. Congdon, Jr. and members of their respective families beneficially own an aggregate of approximately 27% of the outstanding shares of our common stock. As long as the Congdon family controls a large portion of our voting stock, they may be able to significantly influence the election of the entire Board of Directors and the outcome of all matters involving a shareholder vote. The Congdon family’s interests may differ from the interests of other shareholders and the status of their ownership could change at their discretion.

Our financial results may be adversely impacted by potential future changes in accounting practices.

Future changes in accounting standards or practices, and related legal and regulatory interpretations of those changes, may adversely impact public companies in general, the transportation industry or our operations specifically. New accounting standards or requirements, such as a conversion from U.S. generally accepted accounting principles to International Financial Reporting Standards, could change the way we record revenues, expenses, assets and/or liabilities or could be costly to implement. These types of regulations could have a negative impact on our financial position, liquidity, results of operations and/or access to capital.

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Our information technology systems are subject to certain risks that we cannot control.

We are reliant on our information systems for our operations as well as providing a value-added service to our customers. Our information systems, including our accounting systems, are dependent upon third-party software, global communications providers, data network systems and other aspects of technology and Internet infrastructure that are susceptible to failure or an adverse cyber incident. Although we have implemented redundant systems and network security measures, our information technology remains susceptible to interruptions caused by natural disasters, outages, computer viruses, break-ins and similar disruptions. Such an event could inhibit our ability to provide services to our customers and the ability of our customers to access our systems. In addition, there could be a loss of confidential information, corruption of data and damage to our brand image. This may result in a reduction in demand for our services or the loss of customers that could have a negative impact on our financial condition, results of operations and liquidity.

Misuse of social media outlets could damage our reputation and adversely affect our financial condition.

Customers, competitors, employees and other individuals continue to increase the use of social media outlets, and we maintain and manage our own corporate presence through various social media outlets. We support new ways of sharing data and communicating through these social media outlets. However, information distributed via social networking could result in unfavorable publicity about us being disseminated quickly and broadly. This unfavorable publicity could damage our reputation and may result in a reduction in demand for our services or the loss of customers that could have a negative impact on our financial condition, results of operations and liquidity.

A decrease in the demand and value of used equipment may impact our results of operations.

As we purchase new tractors as part of our normal replacement cycle each year, we rely on the used equipment market to dispose of our older equipment. Oversupply in the transportation industry as well as adverse domestic and foreign economic conditions can negatively impact the demand for used tractors and, therefore, reduce the value we can obtain on our used equipment. If we are unable to sell our older equipment at or above salvage value, the resulting losses could have a significant impact on our results of operations.

If we raise additional capital in the future, your ownership in us could be diluted.

Any issuance of equity we may undertake in the future to raise additional capital could cause the price of our common stock to decline, or require us to issue shares at a price that is lower than that paid by holders of our common stock in the past, which would result in those newly issued shares being dilutive. If we obtain funds through a credit facility or through the issuance of debt or preferred securities, these obligations and securities would likely have rights senior to your rights as a common shareholder, which could impair the value of our common stock.

The market value of our common stock may fluctuate and could be substantially affected by various factors.

The price of our common stock on the NASDAQ Global Select Market constantly changes. We expect that the market price of our common stock will continue to fluctuate as a result of a variety of factors, many of which are beyond our control. These factors include, among others:

• Actual or anticipated variations in earnings, financial or operating performance or liquidity;

• Changes in analysts’ recommendations or projections;

• Failure to meet analysts’ projections;

• General economic and capital market conditions;

• Announcements of developments related to our business;

• Operating and stock performance of other companies deemed to be peers;

• Actions by government regulators; and

• News reports of trends, concerns and other issues related to us or our industry, including changes in regulations.

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Our common stock price may fluctuate significantly in the future, and these fluctuations may be unrelated to our performance. General market price declines or market volatility in the future could adversely affect the price of our common stock, and the current market price of our common stock may not be indicative of future market prices.

Our articles of incorporation, our bylaws and Virginia law contain provisions that could discourage, delay or prevent a change in our control or our management.

Provisions of our articles of incorporation, bylaws and the laws of Virginia, the state in which we are incorporated, may discourage, delay or prevent a change in control of us or a change in management that shareholders may consider favorable. These provisions:

• limit who may call a special meeting of shareholders;

• require shareholder action by written consent to be unanimous;

• establish advance notice requirements for nominations for election to our Board of Directors or for proposing matters that can be acted upon at shareholder meetings;

• may make it difficult to merge with or otherwise absorb a Virginia corporation acquired in a tender offer for the three years after the acquisition; and

• may make an unsolicited attempt to gain control of us more difficult by restricting the right of specified shareholders to vote newly acquired large blocks of stock.

These provisions could discourage proxy contests and make it more difficult for you and other shareholders to take certain corporate actions. These provisions could also limit the price that investors might be willing to pay in the future for shares of our common stock.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 2. PROPERTIES

We own our principal executive office located in Thomasville, North Carolina, consisting of a two-story office building of approximately 160,000 square feet on 30.1 acres of land. At December 31, 2013, we operated 221 service centers, of which 158 were owned and 63 were leased. Our service centers that are owned include most of our larger facilities and account for 83.5% of the total door capacity in our network. With the exception of our Chicago, Illinois facility, which has a lease that expires in 2021, we own our major breakbulk facilities. Each of our major breakbulk facilities is listed below with the number of doors as of December 31, 2013.

Service Center	Doors
Morristown, Tennessee	347
Indianapolis, Indiana	318
Harrisburg, Pennsylvania	300
Rialto, California	265
Dallas, Texas	234
Atlanta, Georgia	227
Greensboro, North Carolina	219
Memphis, Tennessee	169
Chicago, Illinois	134
Salt Lake City, Utah	129

Our 221 facilities are strategically dispersed over the states in which we operate. At December 31, 2013, the terms of our leased properties ranged from month-to-month to a lease that expires in 2023. We believe that as current leases expire, we will be able to renew them or find comparable facilities without incurring any material negative impact on service to our customers or our operating results.

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We also own 18 non-operating service center properties. Eleven of these properties are leased to third parties with lease terms that range from month-to-month to a lease that expires in 2017.

We believe that all of our properties are in good repair and are capable of providing the level of service required by current business levels and customer demands. In addition, we believe we have sufficient capacity in our service center network to accommodate a substantial increase in demand for our services.

ITEM 3. LEGAL PROCEEDINGS

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business that have not been fully adjudicated, some of which are covered in part by insurance. Our management does not believe that these actions, when finally concluded and determined, will have a material adverse effect upon our financial position, liquidity or results of operations.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Common Stock and Dividend Information

Our common stock is traded on the NASDAQ Global Select Market ("Nasdaq") under the symbol ODFL. At February 19, 2014, there were 32,642 holders of our common stock, including 159shareholders of record. We did not pay any dividends on our common stock during fiscal year 2013 or 2012, and we have no current plans to declare or pay any dividends on our common stock during fiscal year 2014. For information concerning restrictions on our ability to make dividend payments, see Liquidity and Capital Resources in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 2 in Item 8, “Financial Statements and Supplementary Data” of this report.

On August 13, 2012, we announced a three-for-two common stock split for shareholders of record as of the close of business on the record date, August 24, 2012. On September 7, 2012 those shareholders received one additional share of common stock for every two shares owned. In lieu of fractional shares, shareholders received a cash payment based on the average of the high and low sales prices of our common stock on the record date.

The following table sets forth the high and low sales price of our common stock for the periods indicated, as reported by Nasdaq and as adjusted to give effect to the three-for-two stock split effected in September 2012:

	2013
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
High	$	38.76	$	44.00	$	47.66	$	53.34
Low	$	34.58	$	35.17	$	41.93	$	45.15

	2012
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
High	$	32.87	$	32.77	$	32.06	$	35.13
Low	$	25.54	$	27.04	$	26.12	$	28.75

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Performance Graph

The following graph compares the total shareholder cumulative returns, assuming the reinvestment of all dividends, of $100 invested on December 31, 2008, in (i) our common stock, (ii) the NASDAQ Trucking & Transportation Stocks and (iii) The NASDAQ Stock Market (US) for the five-year period ended December 31, 2013:

Cumulative Total Return

	12/31/08		12/31/09		12/31/10		12/31/11		12/31/12		12/31/13
Old Dominion Freight Line, Inc..............................	$	100	$	108	$	169	$	214	$	271	$	419
NASDAQ Trucking & Transportation Stocks.........	$	100	$	117	$	161	$	136	$	143	$	190
The NASDAQ Stock Market (US)..........................	$	100	$	144	$	170	$	171	$	202	$	282

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ITEM 6. SELECTED FINANCIAL DATA

	Year Ended December 31,
(In thousands, except per share amounts
and operating statistics)	2013			2012			2011			2010			2009
Operating Data:
Revenue from operations (1)	$	2,337,648		$	2,134,579		$	1,903,800		$	1,501,848		$	1,260,088
Depreciation and amortization expense (2)	127,072			110,743			90,820			80,362			94,784
Total operating expenses (1)	1,999,210			1,849,325			1,669,728			1,364,109			1,189,697
Operating income	338,438			285,254			234,072			137,739			70,391
Interest expense, net (3)	9,473			11,428			13,887			12,465			12,998
Provision for income taxes	122,573			103,646			80,614			48,775			22,294
Net income	206,113			169,452			139,470			75,651			34,871
Per Share Data:
Diluted earnings per share (4)	2.39			1.97			1.63			0.90			0.42
Balance Sheet Data:
Cash, cash equivalents	30,174			12,857			75,850			5,450			4,171
Current assets	332,979			275,028			331,852			222,582			174,175
Total assets	1,932,089			1,712,514			1,513,074			1,239,881			1,159,278
Current liabilities	232,122			225,139			204,810			170,046			148,125
Long-term debt (including current maturities)	191,429			240,407			269,185			271,217			305,532
Shareholders’ equity	1,232,082			1,025,969			856,519			668,649			593,000
Operating Statistics:
Operating ratio (1)	85.5		%	86.6		%	87.7		%	90.8		%	94.4		%
Revenue per hundredweight (1)	$	15.85		$	15.53		$	14.88		$	13.28		$	12.85
Revenue per intercity mile (1)	$	5.24		$	5.08		$	4.89		$	4.44		$	4.21
Intercity miles (in thousands)	446,532			420,214			389,588			338,504			299,330
Total tons (in thousands)	7,385			6,875			6,397			5,656			4,902
Total shipments (in thousands)	8,279			7,765			7,256			6,327			5,750
Average length of haul (miles)	936			941			952			948			928

(1) Our prior-period results have been adjusted for an immaterial correction related to how we present the costs of purchased transportation for certain truckload brokerage and international freight forwarding services. For more information on these adjustments, see Note 1 to the Financial Statements included in Item 8, "Financial Statements and Supplementary Data" below.

(2) Our 2010 results reflect a reduction in depreciation and amortization expense of $12.7 million, which was due to a change in estimate resulting from an evaluation of estimated useful lives and salvage values for our equipment. We determined that useful lives should be extended and salvage values should be reduced for certain equipment effective January 1, 2010.

(3) For the purpose of this table, interest expense is presented net of interest income.

(4) Per share data has been restated retroactively for the three-for-two stock splits effected in September 2012 and August 2010.

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ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Overview

We are a leading, less-than-truckload (“LTL”), union-free motor carrier providing regional, inter-regional and national LTL service and other logistics services from a single integrated organization. In addition to our core LTL services, we offer a broad range of value-added services including international freight forwarding, ground and air expedited transportation, container delivery, truckload brokerage, supply chain consulting, warehousing and consumer household pickup and delivery. More than 90% of our revenue has historically been derived from transporting LTL shipments for our customers, whose demand for our services is generally tied to industrial production and the overall health of the U.S. domestic economy.

In analyzing the components of our revenue, we monitor changes and trends in the following key metrics:

• Revenue Per Hundredweight - This measurement reflects the application of our pricing policies to the services we provide, which are influenced by competitive market conditions and our growth objectives. Generally, freight is rated by a class system, which is established by the National Motor Freight Traffic Association, Inc. Light, bulky freight typically has a higher class and is priced at higher revenue per hundredweight than dense, heavy freight. Fuel surcharges, accessorial charges, revenue adjustments and revenue for undelivered freight are included in this measurement. Revenue for undelivered freight is deferred for financial statement purposes in accordance with our revenue recognition policy; however, we believe including it in our revenue per hundredweight metrics results in a better indicator of changes in our yields by matching total billed revenue with the corresponding weight of those shipments.

Revenue per hundredweight is a commonly-used indicator of pricing trends, but this metric can be influenced by many other factors, such as changes in fuel surcharges, weight per shipment, length of haul and the class, or mix, of our freight. As a result, changes in revenue per hundredweight do not necessarily indicate actual changes in underlying base rates.

• Weight Per Shipment – Fluctuations in weight per shipment can indicate changes in the mix of freight we receive from our customers, as well as changes in the number of units included in a shipment. Generally, increases in weight per shipment indicate higher demand for our customers' products and overall increased economic activity. Increases in weight per shipment may also reflect growth of our container delivery services, as the weight for a container shipment is significantly higher than a traditional LTL shipment. Changes in weight per shipment generally have an inverse effect on our revenue per hundredweight, as an increase in weight per shipment will typically cause a decrease in revenue per hundredweight.

• Average Length of Haul – We consider lengths of haul less than 500 miles to be regional traffic, lengths of haul between 500 miles and 1,000 miles to be inter-regional traffic, and lengths of haul in excess of 1,000 miles to be national traffic. This metric is used to analyze our tonnage and pricing trends for shipments with similar characteristics, and also allows comparison with other transportation providers serving specific markets. By analyzing this metric, we can determine the success and growth potential of our service products in these markets. Changes in length of haul generally have a direct effect on our revenue per hundredweight, as an increase in length of haul will typically cause an increase in revenue per hundredweight.

Our primary revenue focus is to increase “density,” which is shipment and tonnage growth within our existing infrastructure that is measured by our revenue per service center. Increases in density allow us to maximize our asset utilization and labor productivity, which we measure over many different functional areas of our operations including linehaul load factor, pickup and delivery (“P&D”) stops per hour, P&D shipments per hour, platform pounds handled per hour and platform shipments per hour. In addition to our focus on density and operating efficiencies, it is critical for us to obtain an appropriate yield on the shipments we handle. We manage our yields by focusing on individual account profitability. We believe yield management and improvements in efficiency are key components in our ability to produce profitable growth.

Our primary cost elements are direct wages and benefits associated with the movement of freight; fuel and equipment repair expenses; and depreciation of our equipment fleet and service center facilities. We gauge our overall success in managing these costs by monitoring our operating ratio, a measure of profitability calculated by dividing total operating expenses by revenue, which also allows industry-wide comparisons with our competition.

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We continually upgrade our technological capabilities to improve our customer service and lower our operating costs. Our technology provides our customers with visibility of their shipments throughout our network, increases the productivity of our workforce and provides key metrics from which we can monitor our processes.

Results of Operations

The following table sets forth, for the years indicated, expenses and other items as a percentage of revenue from operations:

	2013		2012		2011
Revenue from operations (1)	100.0	%	100.0	%	100.0	%
Operating expenses:
Salaries, wages and benefits	50.1		50.0		50.2
Operating supplies and expenses	16.5		17.7		18.7
General supplies and expenses	3.0		2.8		2.6
Operating taxes and licenses	3.1		3.2		3.3
Insurance and claims	1.3		1.4		1.5
Communication and utilities	1.0		0.9		1.0
Depreciation and amortization	5.4		5.2		4.8
Purchased transportation (1)	4.5		4.4		4.4
Building and office equipment rents	0.5		0.6		0.7
Miscellaneous expenses, net	0.1		0.4		0.5
Total operating expenses	85.5		86.6		87.7
Operating income	14.5		13.4		12.3
Interest expense, net (2)	0.4		0.6		0.7
Other expense, net	—		—		—
Income before income taxes	14.1		12.8		11.6
Provision for income taxes	5.3		4.9		4.3
Net income	8.8	%	7.9	%	7.3	%

(1) Our prior-period results have been adjusted for an immaterial correction related to how we present the costs of purchased transportation for certain truckload brokerage and international freight forwarding services. For more information on these adjustments, see Note 1 to the Financial Statements included in Item 8, "Financial Statements and Supplementary Data" below.

(2) For the purpose of this table, interest expense is presented net of interest income.

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2013 Compared to 2012

Key financial and operating metrics for 2013 and 2012 are presented below:

	2013			2012			Change			% Change
Work days	254			254			—			—
Revenue (in thousands)	$	2,337,648		$	2,134,579		$	203,069		9.5
Operating ratio	85.5		%	86.6		%
Net income (in thousands)	$	206,113		$	169,452		$	36,661		21.6
Diluted earnings per share	$	2.39		$	1.97		$	0.42		21.3
Total tons (in thousands)	7,385			6,875			510			7.4
Total shipments (in thousands)	8,279			7,765			514			6.6
Weight per shipment (lbs.)	1,784			1,771			13			0.7
Revenue per hundredweight	$	15.85		$	15.53		$	0.32		2.1
Revenue per shipment	$	282.78		$	274.92		$	7.86		2.9
Average length of haul (miles)	936			941			(5		)	(0.5	)

Our financial results for 2013 reflect the continued execution and success of our long-term strategies. We increased our revenue 9.5% in 2013 primarily through increased market share, as we continued to win share by providing a value proposition consisting of superior service at a fair and equitable price. With a focus on yield management and operating efficiencies, we were able to improve our margins, which increased earnings per diluted share 21.3%. As a result, our operating ratio improved by over 100 basis points for the fourth straight year to 85.5%, which is the best annual operating ratio our Company has ever produced.

Revenue

Our revenue increased $203.1 million, or 9.5% during 2013, which was a result of increases in both tonnage and price. As compared to 2012, tonnage increased 7.4% primarily due to a 6.6% increase in shipments and a 0.7% increase in weight per shipment. Our tonnage growth in 2013 was primarily due to increased market share, as our growth exceeded both the growth rate of the U.S. economy as well as the growth rate for the LTL industry.

Revenue per hundredweight increased 2.1% to $15.85 in 2013, which reflects our disciplined yield management process and a stable pricing environment. We believe that revenue per hundredweight is a good indicator of pricing trends; however, we manage our yield by focusing on individual customer profitability due to the influence of various factors on revenue per hundredweight, such as changes in fuel surcharges, weight per shipment, length of haul and mix of freight. The impact of these factors can result in changes to revenue per hundredweight that do not necessarily indicate actual changes in underlying rates.

Our fuel surcharges are designed to offset fluctuations in the cost of petroleum-based products and are one of the many components included in the overall negotiated price we charge for our services. Fuel surcharge revenue decreased to 16.1% of revenue in 2013 from 16.5% in 2012, primarily due to a slight decrease in the average price per gallon for diesel fuel. Most of our tariffs and contracts provide for a fuel surcharge, which is recorded as additional revenue, as diesel fuel prices increase above stated levels. These levels are generally indexed to the DOE’s published fuel prices that reset each week. We regularly monitor the components of our pricing, including base freight rates and fuel surcharges. We also address any individual account profitability issues with our customers as part of our effort to minimize the negative impact on our profitability that would likely result from a rapid and significant change in any of our operating expenses.

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Operating Costs and Other Expenses

Salaries, wages and benefits increased $104.2 million, or 9.8% in 2013 due to a $72.2 million increase in the costs for salaries and wages and a $32.0 million increase in benefit costs. Of the total increase in salaries and wages, our direct labor costs for drivers, platform employees and fleet technicians increased $56.8 million, or 10.0% in 2013 as compared to 2012. The increase in the costs for our salaries and wages, excluding benefits, was due primarily to a 7.5% increase in average full-time employees over 2012 and the impact of wage increases provided to employees in September 2012 and 2013. We primarily increased our headcount in 2013 due to our increased volume of shipments as well as to ensure sufficient labor capacity for future revenue growth. We also hired additional drivers in the second half of 2013 to address inefficiencies that resulted from changes to the FMCSA’s hours-of-service regulations. Although our salaries and wages, excluding benefits, increased during 2013, these costs decreased as a percent of revenue to 37.2% from 37.4% in 2012 as a result of increased efficiencies within our operations. Our platform pounds handled per hour, P&D stops per hour and P&D shipments per hour improved 1.0%, 0.7% and 0.5%, respectively, over the prior-year period.

Employee benefit costs increased $32.0 million as a result of the increase in the number of full-time employees eligible for benefits; however, we also experienced a significant increase in the costs per employee for our group health and dental plans during 2013. Our group health and dental costs increased $14.5 million, or 14.7% in 2013 as compared to 2012, with the majority of the increase occurring in the second half of the year. We experienced significant increases in both the number of claims and the average severity per claim during 2013. We believe there will be additional costs associated with the ongoing implementation of the 2010 Patient Protection and Affordable Care Act, and consequently, we believe our group health and dental costs may continue to increase in future periods. Our employee benefit costs also increased for certain retirement benefit plans directly linked to the improvement in our net income and the share price of our common stock. Employee benefit costs as a percent of salaries and wages increased to 34.6% for 2013 from 33.7% for 2012.

Operating supplies and expenses increased $6.7 million in 2013 as compared to 2012. These costs as a percent of revenue improved to 16.5% of revenue in 2013 from 17.7% in 2012. This improvement is primarily due to a 100 basis point decrease as a percent of revenue for our cost of diesel fuel, excluding fuel taxes, which is the largest component of operating supplies and expenses, and can vary based on both consumption and average price per gallon. Much of this improvement is due to our diesel fuel consumption increasing only 3.5% as compared to the 6.3% increase in our intercity miles in 2013. Our consumption trends have improved due to a focus on improving our average miles per gallon, which has benefited from certain operational initiatives and the increased use of new fuel-efficient equipment. The average price per gallon of diesel fuel also decreased 2.3% as compared to 2012. We do not use diesel fuel hedging instruments and are therefore subject to market price fluctuations.

General supplies and expenses increased $10.9 million in 2013 primarily due to an overall increase in our marketing activities, which include costs to support our brand and services. Our other general supplies and expenses remained relatively consistent as a percent of revenue.

Depreciation and amortization expense increased to 5.4% of revenue in 2013 as compared to 5.2% in 2012. This increase was primarily due to additional depreciation recorded on the tractors and trailers purchased as part of our 2012 and 2013 capital expenditure plans. Our capital expenditure plan for 2014 is projected to be higher than 2013, and we expect depreciation costs to increase in future periods as a result. While our investments can increase costs in the short term, we believe these investments are necessary to support our long-term growth initiatives.

Purchased transportation expense increased $11.9 million in 2013 as compared to 2012. Our purchased transportation expense is primarily related to our use of third-party transportation providers to support our container drayage, truckload brokerage and international freight forwarding operations. Growth in these services has resulted in the increase in our purchased transportation costs for 2013. To a lesser extent, we utilized purchased transportation in our LTL operations, consisting primarily of rail and truckload providers, to maximize the efficient movement of freight between our service centers.

Miscellaneous expenses, net, was impacted primarily by an increase of $5.7 million in gains recognized on the sale of operating assets. Our other miscellaneous expenses remained relatively consistent as a percent of revenue.

Our effective tax rate for 2013 was 37.3% as compared to 38.0% in 2012. Our effective tax rate in 2013 was favorably impacted by various tax credits, including credits for the use of alternative fuel in operations provided by the American Taxpayer Relief Act of 2012. These alternative fuel tax credits expired on December 31, 2013. Our effective tax rate generally exceeds the federal statutory rate of 35% due to the impact of state taxes, and to a lesser extent, certain other non-deductible items.

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2012 Compared to 2011

Key financial and operating metrics for 2012 and 2011 are presented below: 

	2012			2011			Change			% Change
Work days	254			254			—			—
Revenue (in thousands)	$	2,134,579		$	1,903,800		$	230,779		12.1
Operating ratio	86.6		%	87.7		%
Net income (in thousands)	$	169,452		$	139,470		$	29,982		21.5
Diluted earnings per share	$	1.97		$	1.63		$	0.34		20.9
Total tons (in thousands)	6,875			6,397			478			7.5
Total shipments (in thousands)	7,765			7,256			509			7.0
Weight per shipment (lbs.)	1,771			1,763			8			0.5
Revenue per hundredweight	$	15.53		$	14.88		$	0.65		4.4
Revenue per shipment	$	274.92		$	262.43		$	12.49		4.8
Average length of haul (miles)	941			952			(11		)	(1.2	)

Our 2012 financial results were driven by strong growth in our revenue, which exceeded $2.0 billion for the first time in our Company's history. We experienced strong growth in both tonnage and revenue per hundredweight, while also improving the efficiency of our operations, all of which led to margin improvement over the previous year. As a result, our operating ratio improved to 86.6% and net income increased 21.5% to $169.5 million for 2012.

We believe our success in 2012 was primarily the result of our ability to win market share by providing shippers with a value proposition that consists of providing "best-in-class" on-time and claims-free service at a fair and equitable price. Our commitment to this value proposition should allow us to continue to increase our tonnage and market share.

Revenue

Our revenue growth during 2012 of 12.1% was driven by increased tonnage and pricing. Tonnage increased 7.5% primarily due to a 7.0% increase in shipments and a 0.5% increase in weight per shipment for the periods compared. We believe the increase in shipments during the year was primarily due to increased market share, as our growth exceeded reported industry levels.

Revenue per hundredweight increased 4.4% to $15.53 in 2012. This increase reflects our disciplined yield management process as well as an improved pricing environment in 2012. Revenue per hundredweight is a good indicator of pricing trends, but this metric is influenced by many other factors, such as changes in fuel surcharges, weight per shipment, length of haul and mix of freight; therefore, changes in revenue per hundredweight do not necessarily indicate actual changes in underlying rates. Our revenue per hundredweight, excluding fuel surcharges, increased 4.0% in 2012 despite the negative influence of the increase in weight per shipment and decrease in length of haul.

Fuel surcharge revenue increased to 16.5% of revenue in 2012 from 16.2% in 2011, primarily due to a slight increase in the average price per gallon for diesel fuel. Most of our tariffs and contracts provide for a fuel surcharge, which is recorded as additional revenue, as diesel fuel prices increase above stated levels. These levels are generally indexed to the DOE’s published fuel prices that reset each week. The fuel surcharge is one of many components included in the overall negotiated price for our transportation services with our customers, although it is generally considered to be a measure of the increase in cost of all petroleum products we use. We regularly monitor the components of our pricing, including base freight rates and fuel surcharges. We also address any individual account profitability issues with our customers as part of our effort to minimize the negative impact on our profitability that would likely result from a rapid and significant change in any of our operating expenses.

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Operating Costs and Other Expenses

Salaries, wages and benefits increased $110.5 million, or 11.6% in 2012 due to a $72.8 million increase in the costs for salaries and wages and a $37.7 million increase in benefit costs. The increase in the costs for our salaries and wages, excluding benefits, was due primarily to a 6.9% increase in average full-time employees over 2011 and the impact of wage increases provided to employees in September 2011 and 2012. The increase in our headcount was necessary to ensure adequate labor capacity for the increase in shipments during 2012 as well as for projected growth. As a result, our direct labor costs for drivers, platform employees and fleet technicians increased $55.2 million, or 10.8% in 2012 as compared to 2011. Although these costs increased during 2012, our salaries and wages as a percent of revenue improved to 37.4% from 38.1% in 2011 as a result of the increased density and efficiency in our operations. Our platform pounds handled per hour, P&D stops per hour and P&D shipments per hour improved 4.0%, 0.7% and 0.5%, respectively, over the prior-year period.

Employee benefit costs increased $37.7 million primarily due to an increase in the number of full-time employees eligible for benefits, an increase in paid time off for employees and an increase in the cost per employee for our group health and dental plans. As a percentage of salaries and wages, employee benefit costs increased to 33.7% in 2012 from 31.9% in 2011.

Operating supplies and expenses increased $23.3 million in 2012 primarily due to the increases in the costs of diesel fuel, excluding fuel taxes, which represents the largest component of operating supplies and expenses. Diesel fuel costs can vary based on both consumption and average price per gallon, both of which increased over 2011. Gallons consumed and average price per gallon increased 5.1% and 2.4%, respectively, in 2012 as compared to 2011. Although we saw increases in these costs, operating supplies and expenses decreased as a percent of revenue to 17.7% in 2012 from 18.7% in 2011. We attribute this improvement primarily to certain operational initiatives and the increased use of newer, more fuel-efficient equipment during 2012. We do not use diesel fuel hedging instruments and are therefore subject to market price fluctuations.

Depreciation and amortization expense increased to 5.2% of revenue in 2012 as compared to 4.8% in 2011. This increase was primarily due to the increase in our capital expenditure program for 2012, which included a significant increase in the number of tractors and trailers purchased. In addition, our unit costs for tractors have increased significantly, due primarily to the impact of increasingly stringent emission standard requirements. Since 2002, the average cost of a new tractor in our fleet has increased approximately $45,000, or 85%. Although our capital expenditure plan for 2013 was lower than 2012, we expect our continued growth and investments to increase depreciation costs in future periods.

Our effective tax rate for 2012 was 38.0% as compared to 36.6% in 2011. Our effective tax rate in 2011 was favorably impacted by tax credits related to our investment in alternative energy-producing assets and alternative fuel tax credits for the use of propane in our operations. These alternative fuel tax credits expired on December 31, 2011; however, Congress retroactively reinstated these credits for 2012 and extended the credits through December 31, 2013 by passing the American Taxpayer Relief Act of 2012 on January 1, 2013. The impact of the retroactive application was recorded as a favorable discrete tax benefit during the first quarter of 2013.

Liquidity and Capital Resources

A summary of our cash flows is presented below:

(In thousands)	2013			2012			2011
Cash and cash equivalents at beginning of year	$	12,857		$	75,850		$	5,450
Cash flows provided by (used in):
Operating activities	350,666			328,056			277,934
Investing activities	(284,371		)	(361,175		)	(245,332		)
Financing activities	(48,978		)	(29,874		)	37,798
Increase (decrease) in cash and cash equivalents	17,317			(62,993		)	70,400
Cash and cash equivalents at end of year	$	30,174		$	12,857		$	75,850

The changes in our cash flows provided by operating activities for the periods presented above are due primarily to the significant improvement in our net income, which increased $36.7 million in 2013 and $30.0 million in 2012 over the comparable prior-year periods. These increases are more fully described above in “Results of Operations.” Depreciation and amortization expenses also increased $16.3 million in 2013 and $19.9 million in 2012 over the comparable prior year periods, which was primarily due to the ongoing execution of our capital expenditure programs that is more fully described below.

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Other changes in our cash flows provided by operating activities are related to various fluctuations within our working capital accounts, which primarily include changes in customer receivables and certain accrued liabilities.

The changes in our cash flows used in investing activities are primarily due to fluctuations in our capital expenditure programs each year. The changes in our capital expenditure program are more fully described below in “Capital Expenditures.”

The changes in our cash flows from financing activities consists primarily of fluctuations in our senior unsecured revolving line of credit and scheduled principal payments under our long-term debt agreements. Additionally in 2011, we completed a $95.0 million private placement of senior notes, and we received aggregate net proceeds of $48.4 million resulting from the issuance of our common stock, both of which are discussed in more detail below.

We have three primary sources of available liquidity: cash and cash equivalents, cash flows from operations and available borrowings under our senior unsecured revolving credit agreement, which is described below. We believe we also have sufficient access to debt and equity markets to provide other sources of liquidity, if needed.

On January 3, 2011, we entered into a Note Purchase Agreement pursuant to which we issued $95.0 million of privately-placed senior notes. We entered into this Note Purchase Agreement to fund planned capital expenditures and for general corporate purposes. We used a portion of the proceeds to refinance existing indebtedness, including paying down the outstanding balance on our senior unsecured revolving credit agreement.

Pursuant to an automatic shelf registration statement previously filed with the Securities and Exchange Commission (the “SEC”), we filed a prospectus supplement and entered into an At-The-Market Equity Offering Sales Agreement on February 2, 2011 with Stifel, Nicolaus & Company, Incorporated (“Stifel Nicolaus Weisel”), under which we had the ability to issue and sell, from time to time over a 12-month period through or to Stifel Nicolaus Weisel, shares of our common stock having an aggregate offering price of up to $100.0 million (the “ATM program”). From February 2, 2011 through December 31, 2011, we issued 2,274,568 shares of common stock pursuant to the ATM program at an average price of $21.79 per share, after adjusting for a three-for-two stock split effected on September 7, 2012. We received aggregate gross proceeds of $49.6 million and aggregate net proceeds of $48.4 million, after deducting commissions and other transaction costs of $1.2 million. There were no subsequent issuances pursuant to the ATM program through February 2, 2012, which was the date on which the ATM program expired. Our automatic shelf registration statement that provided us with the opportunity to offer and sell shares of common stock on a delayed or continuous basis at indeterminate prices expired in the fourth quarter of 2012.

Capital Expenditures

The table below sets forth our net capital expenditures for property and equipment, including those obtained through capital leases and nonmonetary exchanges, for the years ended December 31, 2013, 2012 and 2011:

	Year Ended December 31,
(In thousands)	2013			2012			2011
Land and structures	$	126,424		$	143,701		$	73,463
Tractors	59,317			113,257			69,837
Trailers	70,042			83,405			62,326
Technology	15,032			13,950			24,767
Other	31,391			19,974			28,945
Less: Proceeds from sales	(11,235		)	(12,018		)	(5,436		)
Total	$	290,971		$	362,269		$	253,902

Our capital expenditure requirements are generally based upon the projected increase in the number and size of our service center facilities to support our plan for long-term growth, our planned tractor and trailer replacement cycle and forecasted tonnage growth. Expenditures for land and structures in 2013 and 2012 were significant due to the ongoing expansion of our service center network, the purchase of service centers in locations that were previously under lease and improvements to our existing service centers. Our capital expenditures for tractors and trailers decreased slightly in 2013, as we spent a higher amount in 2012 to reduce the average age of our fleet. We generally spend 6% to 8% of total revenue on tractors and trailers each year to support our projected tonnage growth as well as to replace equipment being retired through our normal replacement cycle. We expect to continue to maintain a high level of capital expenditures in order to support our long-term plan for market share growth.

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We currently estimate capital expenditures will be approximately $342.0 million for the year ending December 31, 2014. Approximately $132.0 million is allocated for the purchase of service center facilities, construction of new service center facilities or expansion of existing service center facilities, subject to the availability of suitable real estate and the timing of construction projects; approximately $163.0 million is allocated for the purchase of tractors, trailers and other equipment; and approximately $47.0 million is allocated for investments in technology and other assets. We expect to fund these capital expenditures primarily through cash flows from operations, our existing cash and cash equivalents and the use of our senior unsecured revolving credit facility, if needed. We believe our current sources of liquidity will be sufficient to satisfy our expected capital expenditures.

We anticipate that there will be additional environmental regulations and legislation resulting from the increased regulatory focus on climate change and greenhouse gas emissions in the United States. At this time, we cannot predict the requirements of any future regulations. However, any limitations on the emission of greenhouse gases or other environmental legislation could increase our future capital expenditures and have an adverse impact on our financial condition, results of operations and liquidity.

Financing Agreements

We have a five-year, $200.0 million senior unsecured revolving credit facility pursuant to the terms of a second amended and restated credit agreement dated August 10, 2011 (the “Credit Agreement”), with Wells Fargo Bank, National Association (“Wells Fargo”) serving as administrative agent for the lenders. Of the $200.0 million line of credit commitments, $150.0 million may be used for letters of credit and $20.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program. We utilize the sweep program to manage our daily cash needs, as the sweep program automatically initiates borrowings to cover overnight cash requirements up to an aggregate of $20.0 million. In addition, we have the right to request an increase in the line of credit commitments up to a total of $300.0 million in minimum increments of $25.0 million.

At our option, revolving loans under the facility bear interest at either: (a) the Applicable Margin Percentage for Base Rate Loans plus the higher of Wells Fargo’s prime rate, the federal funds rate plus 0.5% per annum, or the one month LIBOR Rate plus 1.0% per annum; (b) the LIBOR Rate plus the Applicable Margin Percentage for LIBOR Loans; or (c) the LIBOR Market Index Rate (“LIBOR Index Rate”) plus the Applicable Margin Percentage for LIBOR Market Index Loans. The Applicable Margin Percentage is determined by a pricing grid in the Credit Agreement and ranges from 1.0% to 1.875% based upon the ratio of debt to total capitalization. The Applicable Margin Percentage was 1.0% and 1.125% at December 31, 2013 and 2012, respectively, and ranged from 1.0% to 1.125% during 2013. Revolving loans under the sweep program bear interest at the LIBOR Index Rate.

The Credit Agreement contains customary covenants, including financial covenants that require us to observe a maximum ratio of debt to total capital and a minimum fixed charge coverage ratio. Any future wholly-owned subsidiaries of Old Dominion would be required to guarantee payment of all of our obligations under the facility. The amounts outstanding and remaining borrowing capacity under our revolving credit facilities are presented below: 

	December 31,
(In thousands)	2013			2012
Facility limit	$	200,000		$	200,000
Line of credit borrowings	—			(10,000		)
Outstanding letters of credit	(57,686		)	(52,423		)
Total borrowing capacity	$	142,314		$	137,577

Commitment fees ranging from 0.175% to 0.30% are charged quarterly in arrears on the aggregate unutilized portion of the Credit Agreement based upon the ratio of debt to total capitalization. Letter of credit fees equal to the applicable margin for Adjusted LIBOR Rate loans are charged quarterly in arrears on the daily average aggregate stated amount of all letters of credit outstanding during the quarter. The commitment fees ranged from 0.175% to 0.20% and letter of credit fees ranged from 1.0% to 1.125% during 2013. In addition, the Company will pay to Wells Fargo as issuer of letters of credit (i) a facing fee with respect to each letter of credit in an amount equal to 0.125% of the daily average aggregate Stated Amount thereof, payable quarterly in arrears and calculated on an actual/360-day basis and (ii) such fees and charges customarily charged in connection with the issuance and administration of such letters of credit. Wells Fargo, as administrative agent, also receives an annual administrative fee for providing such services.

We have three outstanding unsecured senior note agreements with an aggregate amount outstanding of $191.4 million at December 31, 2013. These notes call for periodic principal payments with maturities that range from 2015 to 2021, of which

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$35.7 million is due in the next twelve months. Interest rates on these notes are fixed and range from 4.00% to 5.85%. The effective average interest rate on our outstanding senior note agreements was 4.99% and 5.07% at December 31, 2013 and 2012, respectively.

With the exception of borrowings pursuant to the Credit Agreement, interest rates are fixed on all of our debt instruments. Therefore, short-term exposure to fluctuations in interest rates is limited to our line of credit facility. We do not currently use interest rate derivative instruments to manage exposure to interest rate changes.

Our Credit Agreement limits the amount of dividends that could be paid to shareholders to the greater of (i) $20.0 million, (ii) the amount of dividends paid in the immediately preceding fiscal year, or (iii) an amount equal to 25% of net income from the immediately preceding fiscal year. We did not declare or pay a dividend on our common stock in 2013 or 2012, and we have no plans to declare or pay a dividend in 2014.

A significant decrease in demand for our services could limit our ability to generate cash flow and affect profitability. Most of our debt agreements have covenants that require stated levels of financial performance, which if not achieved could cause acceleration of the payment schedules. As of December 31, 2013, we were in compliance with these covenants. We do not anticipate a significant decline in business levels or financial performance that would cause us to violate any such covenants in the future, and we believe the combination of our existing Credit Agreement along with our additional borrowing capacity will be sufficient to meet foreseeable seasonal and long-term capital needs.

Common Stock Split

On August 13, 2012, we announced a three-for-two common stock split for shareholders of record as of the close of business on the record date, August 24, 2012. On September 7, 2012 those shareholders received one additional share of common stock for every two shares owned. In lieu of fractional shares, shareholders received a cash payment based on the average of the high and low sales prices of our common stock on the record date.

All references in this report to shares outstanding, weighted average shares outstanding and earnings per share amounts have been restated retroactively to reflect this stock split.

Contractual Obligations

The following table summarizes our significant contractual obligations as of December 31, 2013:

	Payments due by period
Contractual Obligations (1)			Less than						More than
(In thousands)	Total		1 year		1-3 years		3-5 years		5 years
Long-term debt obligations, exclusive of interest	$	191,429	$	35,715	$	60,714	$	50,000	$	45,000
Operating lease obligations	58,789		15,931		18,341		10,307		14,210
Purchase obligations	122,270		122,270		—		—		—
Total	$	372,488	$	173,916	$	79,055	$	60,307	$	59,210

(1) Contractual obligations include long-term debt consisting of senior notes totaling $191.4 million; operating leases consisting primarily of real estate leases; and purchase obligations relating to non-cancellable purchase orders for equipment scheduled for delivery in 2014. Please refer to the information regarding interest rates and the balance on our revolving credit facility in this section above and also in Note 2 to the Financial Statements included in Item 8 of this report.

Critical Accounting Policies

In preparing our financial statements, we apply the following critical accounting policies that we believe affect our judgments and estimates of amounts recorded in certain assets, liabilities, revenue and expenses. These critical accounting policies are further described in Note 1 of the Notes to the Financial Statements included in Item 8 of this report.

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Revenue Recognition

We recognize revenue based upon when our transportation services have been completed in accordance with the bill of lading contract, our general tariff provisions or contractual agreements with our customers. Generally, this occurs when we complete the delivery of a shipment. For transportation services not completed at the end of a reporting period, we use a percentage of completion method to allocate the appropriate revenue to each separate reporting period. Under this method, we develop a factor for each uncompleted shipment by dividing the actual number of days in transit at the end of a reporting period by that shipment’s standard delivery time schedule. This factor is applied to the total revenue for that shipment and revenue is allocated between reporting periods accordingly.

Allowances for Uncollectible Accounts and Revenue Adjustments

We maintain an allowance for uncollectible accounts for estimated losses resulting from the failure of our customers to make required payments. We estimate this allowance by analyzing the aging of our customer receivables, our historical loss experience and other trends and factors affecting the credit risk of our customers. We determine customer receivables to be past due when payment has not been received by the invoice due date. Write-offs occur when we determine an account to be uncollectible and could differ from our allowance estimate as a result of factors such as changes in the overall economic environment or risks surrounding our customers. Additional allowances may be required if the financial condition of our customers were to deteriorate, resulting in an impairment of their ability to make payments. We periodically review the underlying assumptions in our estimate of the allowance for uncollectible accounts to ensure that the allowance reflects the most recent trends and factors.

We also maintain an allowance for estimated revenue adjustments resulting from future billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments. These revenue adjustments are recorded in our revenue from operations. We use historical experience, trends and current information to update and evaluate these estimates.

Claims and Insurance Accruals

Claims and insurance accruals reflect the estimated cost of claims not covered by insurance for cargo loss and damage, BIPD, workers’ compensation, long-term disability, group health and dental. The related costs are charged to insurance and claims expense except for workers’ compensation, long-term disability, group health and dental, which are charged to employee benefits expense.

Insurers providing excess coverage above retention levels adjust their premiums to cover insured losses and for other market factors. As a result, we periodically evaluate our self-insured retention levels to determine the most cost-efficient balance between our retention exposure and excess coverage.

In establishing accruals for claims and expenses, we evaluate and monitor each claim individually, and we use factors such as historical claims development experience, known trends and third-party estimates to determine the appropriate reserves for potential liability. We believe the assumptions and methods used to estimate these liabilities are reasonable; however, any changes in the severity of previously-reported claims, significant changes in medical costs and regulatory changes affecting the administration of our plans could significantly impact the determination of appropriate reserves in future periods.

Property and Equipment

Property and equipment are recorded at cost and depreciated on a straight-line basis over their estimated economic lives. We use historical experience, certain assumptions and estimates in determining the economic life of each asset. Periodically, we review property and equipment for impairment due to changes in operational and market conditions, and we adjust the carrying value and economic life of any impaired asset as appropriate.

Estimated economic lives for structures are 7 to 30 years; revenue equipment is 4 to 15 years; other equipment is 2 to 20 years; and leasehold improvements are the lesser of the economic life of the leasehold improvement or the remaining life of the lease. The use of different assumptions, estimates or significant changes in the resale market for our equipment could result in material changes in the carrying value and related depreciation of our assets.

30

Inflation

Most of our expenses are affected by inflation, which typically results in increased operating costs. In response to fluctuations in the cost of petroleum products, particularly diesel fuel, we generally include a fuel surcharge in our tariffs and contractual agreements. The fuel surcharge is designed to offset the cost of diesel fuel above a base price and increases as diesel fuel prices escalate over the base, which is generally indexed to the DOE’s published fuel prices that reset each week. Volatility in the price of diesel fuel, independent of inflation, has impacted our business, as described in this report. However, we do not believe inflation has had a material effect on our results of operations for each of the past three years.

Related Person Transactions

Family Relationships

Each of Earl E. Congdon, David S. Congdon and John R. Congdon, Jr. are related to one another and served in various management positions and/or on our Board of Directors during 2013. We have employment agreements with Earl E. Congdon and David S. Congdon, which are incorporated by reference as exhibits to our Annual Report on Form 10-K. We regularly disclose the amount of compensation that we pay to these individuals, as well as any of their family members employed by us and whose compensation from time to time may require disclosure, in the proxy statement for our Annual Meeting of Shareholders.

During 2012, John R. Congdon, who was the brother of Earl E. Congdon, resigned from his position as Senior Vice President. At that time, the Board of Directors and John R. Congdon mutually agreed to terminate his amended and restated employment agreement. He continued to be employed by the Company in a management position and as a member of our Board of Directors until his death in October 2013.

Transactions with Old Dominion Truck Leasing, Inc.

Old Dominion Truck Leasing, Inc. (“Leasing”) is a North Carolina corporation whose voting stock is beneficially owned by members of the Congdon family. Leasing is primarily engaged in the business of leasing tractors, trailers and other vehicles as well as providing contract dedicated fleet services. John R. Congdon served as Chairman of the Board of Leasing until October 2013 and was succeeded in that position by John R. Congdon, Jr. Earl E. Congdon and David S. Congdon currently serve as members of Leasing’s Board of Directors. Since 1986, we have combined our requirements with Leasing for the purchase of tractors, trailers, equipment, parts, tires and fuel. We believe that the termination of this arrangement would not have a material adverse impact on our financial results.

We purchased $299,000, $239,000 and $278,000 of maintenance and other services from Leasing in 2013, 2012 and 2011, respectively. We intend to continue to purchase maintenance and other services from Leasing, provided that Leasing’s prices continue to be favorable to us.

We charged Leasing $18,000, $18,000 and $18,000 for the rental of property in 2013, 2012 and 2011, respectively. No other services were provided to Leasing for the years ended December 31, 2013, 2012 and 2011.

Split-Dollar Life Insurance Policies

We owned two split-dollar life insurance contracts insuring the life of John R. Congdon that were terminated upon Mr. Congdon's death in October 2013. The death benefits under these policies totaled an aggregate of $9.3 million, of which we received $7.3 million in December 2013 and Mr. Congdon’s beneficiaries received $2.0 million. At December 31, 2012, the net cash surrender value for these policies totaled $6.8 million and was included on our Balance Sheet under the caption of “Other Assets.”

Audit Committee Approval

The Audit Committee of our Board of Directors reviewed and approved all of the related person transactions described above in accordance with our Related Person Transactions Policy.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market risk represents the risk of loss that may impact our financial position, results of operations and cash flows due to adverse changes in financial market prices and rates.

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We are exposed to interest rate risk directly related to loans, if any, under our Credit Agreement, which have variable interest rates. A 100 basis point increase in the average interest rate on this agreement would have no material effect on our operating results. We have established policies and procedures to manage exposure to market risks and use major institutions that we believe are creditworthy to minimize credit risk.

We are exposed to market risk for equity investments relating to Company-owned life insurance contracts on certain employees. At December 31, 2013, the cash value for variable life insurance contracts was $29.4 million of the $31.6 million of aggregate cash values for all life insurance contracts included on our Balance Sheets. Variable life insurance contracts expose us to fluctuations in equity markets; however, we utilize a third-party to manage these assets and minimize that exposure. A 10% change in market value in those investments would have a $2.9 million impact on our pre-tax income.

We are exposed to market risk for awards granted under our employee and director phantom stock plans. The liability for the unsettled outstanding awards is remeasured at the end of each reporting period based on the closing price of our common stock at that date. At December 31, 2013, the total liability for awards granted under our employee and director phantom stock plans totaled $23.6 million. A 10% change in the price of our common stock at December 31, 2013 would have had a $2.4 million impact on our operating income in 2013 with respect to these plans.

We are also exposed to commodity price risk related to diesel fuel prices and manage our exposure to that risk primarily through the application of fuel surcharges to our customers.

For further discussion related to these risks, see Notes 2 and 8 to the Financial Statements included in Item 8, “Financial Statements and Supplementary Data” and Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

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ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

OLD DOMINION FREIGHT LINE, INC.

BALANCE SHEETS

	December 31,
(In thousands, except share and per share data)	2013			2012
ASSETS
Current assets:
Cash and cash equivalents	$	30,174		$	12,857
Customer receivables, less allowances of $8,067 and $8,561, respectively	248,069			219,039
Other receivables	10,225			1,324
Prepaid expenses and other current assets	21,262			21,754
Deferred income taxes	23,249			20,054
Total current assets	332,979			275,028
Property and equipment:
Revenue equipment	1,009,936			922,030
Land and structures	990,256			874,768
Other fixed assets	266,563			225,298
Leasehold improvements	6,378			6,128
Total property and equipment	2,273,133			2,028,224
Less: Accumulated depreciation	(730,074		)	(648,919		)
Net property and equipment	1,543,059			1,379,305
Goodwill	19,463			19,463
Other assets	36,588			38,718
Total assets	$	1,932,089		$	1,712,514
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	36,788		$	44,891
Compensation and benefits	97,187			80,047
Claims and insurance accruals	38,784			33,990
Other accrued liabilities	21,480			20,906
Income taxes payable	2,168			6,327
Current maturities of long-term debt	35,715			38,978
Total current liabilities	232,122			225,139
Long-term debt	155,714			201,429
Other non-current liabilities	123,054			106,791
Deferred income taxes	189,117			153,186
Total long-term liabilities	467,885			461,406
Total liabilities	700,007			686,545
Commitments and contingent liabilities
Shareholders’ equity
Common stock - $0.10 par value, 140,000,000 shares authorized, 86,164,917 shares outstanding at December 31, 2013 and 2012	8,616			8,616
Capital in excess of par value	134,401			134,401
Retained earnings	1,089,065			882,952
Total shareholders’ equity	1,232,082			1,025,969
Total liabilities and shareholders’ equity	$	1,932,089		$	1,712,514

The accompanying notes are an integral part of these financial statements.

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OLD DOMINION FREIGHT LINE, INC.

STATEMENTS OF OPERATIONS

	Year Ended December 31,
(In thousands, except share and per share data)	2013			2012			2011
Revenue from operations	$	2,337,648		$	2,134,579		$	1,903,800
Operating expenses:
Salaries, wages and benefits	1,170,773			1,066,551			956,079
Operating supplies and expenses	385,201			378,534			355,186
General supplies and expenses	69,765			58,908			49,900
Operating taxes and licenses	71,599			67,526			63,284
Insurance and claims	30,910			29,681			27,693
Communications and utilities	23,142			19,980			18,104
Depreciation and amortization	127,072			110,743			90,820
Purchased transportation	106,435			94,522			84,516
Building and office equipment rents	11,920			13,514			13,689
Miscellaneous expenses, net	2,393			9,366			10,457
Total operating expenses	1,999,210			1,849,325			1,669,728
Operating income	338,438			285,254			234,072
Non-operating expense (income):
Interest expense	9,620			11,541			14,067
Interest income	(147		)	(113		)	(180		)
Other expense, net	279			728			101
Total non-operating expense	9,752			12,156			13,988
Income before income taxes	328,686			273,098			220,084
Provision for income taxes	122,573			103,646			80,614
Net income	$	206,113		$	169,452		$	139,470
Earnings per share:
Basic	$2.39			$1.97			$1.63
Diluted	$2.39			$1.97			$1.63
Weighted average shares outstanding:
Basic	86,164,917			86,164,964			85,719,728
Diluted	86,164,917			86,164,964			85,719,728

The accompanying notes are an integral part of these financial statements.

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OLD DOMINION FREIGHT LINE, INC.

STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

				Capital in
	Common Stock			Excess of			Retained
(In thousands)	Shares	Amount		Par Value			Earnings		Total
Balance as of December 31, 2010	83,891	$	8,389	$	86,230		$	574,030	$	668,649
Issuance and sale of common stock	2,274	227		48,173			—		48,400
Net income	—	—		—			139,470		139,470
Balance as of December 31, 2011	86,165	$	8,616	$	134,403		$	713,500	$	856,519
Net income	—	—		—			169,452		169,452
Other	—	—		(2		)	—		(2		)
Balance as of December 31, 2012	86,165	$	8,616	$	134,401		$	882,952	$	1,025,969
Net income	—	—		—			206,113		206,113
Balance as of December 31, 2013	86,165	$	8,616	$	134,401		$	1,089,065	$	1,232,082

The accompanying notes are an integral part of these financial statements.

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OLD DOMINION FREIGHT LINE, INC.

STATEMENTS OF CASH FLOWS

	Year Ended December 31,
(In thousands)	2013			2012			2011
Cash flows from operating activities:
Net income	$	206,113		$	169,452		$	139,470
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	127,072			110,743			90,820
(Gain) loss on sale of property and equipment	(5,743		)	78			1,263
Deferred income taxes	32,736			17,682			43,348
Changes in assets and liabilities:
Customer and other receivables, net	(30,063		)	(5,410		)	(40,414		)
Prepaid expenses and other assets	1,910			(7,956		)	(2,952		)
Accounts payable	(8,103		)	2,795			12,875
Compensation, benefits and other accrued liabilities	17,714			13,559			17,626
Claims and insurance accruals	6,952			7,458			6,696
Income taxes, net	(12,027		)	9,264			3,224
Other liabilities	14,105			10,391			5,978
Net cash provided by operating activities	350,666			328,056			277,934
Cash flows from investing activities:
Purchase of property and equipment	(295,606		)	(373,193		)	(250,768		)
Proceeds from sale of property and equipment	11,235			12,018			5,436
Net cash used in investing activities	(284,371		)	(361,175		)	(245,332		)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	—			412			96,010
Principal payments under long-term debt agreements	(38,978		)	(40,284		)	(40,382		)
Net (payments) proceeds on revolving line of credit	(10,000		)	10,000			(66,230		)
Proceeds from stock issuance, net of issuance costs	—			—			48,400
Other financing activities, net	—			(2		)	—
Net cash (used in) provided by financing activities	(48,978		)	(29,874		)	37,798
Increase (decrease) in cash and cash equivalents	17,317			(62,993		)	70,400
Cash and cash equivalents at beginning of year	12,857			75,850			5,450
Cash and cash equivalents at end of year	$	30,174		$	12,857		$	75,850
Income taxes paid	$	102,448		$	74,932		$	34,579
Interest paid	$	11,585		$	13,728		$	14,011
Capitalized interest	$	1,731		$	1,963		$	895

The accompanying notes are an integral part of these financial statements.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS

Note 1. Significant Accounting Policies

Business

We are a leading, less-than-truckload (“LTL”), union-free motor carrier providing regional, inter-regional and national LTL service and other logistics services from a single integrated organization. In addition to our core LTL services, we offer a broad range of value-added services including international freight forwarding, ground and air expedited transportation, container delivery, truckload brokerage, supply chain consulting, warehousing and consumer household pickup and delivery.

We have one operating segment and no single customer exceeds 10% of our revenue.

Basis of Presentation

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Prior Period Adjustments

During the second quarter of 2013, we determined that the costs of purchased transportation for certain truckload brokerage and international freight forwarding services, which were previously netted against revenue, met the criteria to be presented separately in operating expenses in accordance with Accounting Standards Codification ("ASC") Topic 605, Revenue Recognition. As a result, the accompanying Statements of Operations include correcting adjustments to increase both revenue and purchased transportation expense in the amounts of $24.1 million and $21.3 million for the years ended December 31, 2012 and 2011, respectively. There was no effect on retained earnings, operating income, net income, earnings per share or cash flows for any period presented.

Revenue and Expense Recognition

We recognize revenue based upon when our transportation services have been completed in accordance with the bill of lading contract, our general tariff provisions or contractual agreements with our customers. Generally, this occurs when we complete the delivery of a shipment. For transportation services not completed at the end of a reporting period, we use a percentage of completion method to allocate the appropriate revenue to each separate reporting period. Under this method, we develop a factor for each uncompleted shipment by dividing the actual number of days in transit at the end of a reporting period by that shipment’s standard delivery time schedule. This factor is applied to the total revenue for that shipment and revenue is allocated between reporting periods accordingly.

Expenses are recognized when incurred.

Allowances for Uncollectible Accounts and Revenue Adjustments

We maintain an allowance for uncollectible accounts for estimated losses resulting from the inability of our customers to make required payments. We estimate this allowance by analyzing the aging of our customer receivables, our historical loss experience and other trends and factors affecting the credit risk of our customers. Write-offs occur when we determine an account to be uncollectible and could differ from our allowance estimate as a result of factors such as changes in the overall economic environment or risks surrounding our customers. Additional allowances may be required if the financial condition of our customers were to deteriorate, resulting in an impairment of their ability to make payments. We periodically review the underlying assumptions in our estimate of the allowance for uncollectible accounts to ensure that the allowance reflects the most recent trends and factors.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

We also maintain an allowance for estimated revenue adjustments resulting from future billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments. These revenue adjustments are recorded in our revenue from operations. We use historical experience, trends and current information to update and evaluate these estimates.

Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist principally of customer receivables. We perform initial and ongoing credit evaluations of our customers to minimize credit risk. We generally do not require collateral but may require prepayment of our services under certain circumstances. Credit risk is generally diversified due to the large number of entities comprising our customer base and their dispersion across many different industries and geographic regions.

Cash and Cash Equivalents

We consider cash on hand and deposits in banks along with certificates of deposit and short-term marketable securities with original maturities of three months or less as cash and cash equivalents.

Property and Equipment

Property and equipment are stated at cost. Major additions and improvements are capitalized, while maintenance and repairs that do not improve or extend the lives of the respective assets are charged to expense as incurred. We capitalize the cost of tires mounted on purchased revenue equipment as a part of the total equipment cost. Subsequent replacement tires are expensed at the time those tires are placed in service.

Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the related assets. The following table provides the estimated useful lives by asset type: 

Structures	7 to 30 years
Revenue equipment	4 to 15 years
Other equipment	2 to 20 years
Leasehold improvements	Lesser of economic life or life of lease

Depreciation expense, which includes the amortization of capital leases, was $126.4 million, $109.8 million and $89.9 million for 2013, 2012 and 2011, respectively.

Goodwill and Other Intangible Assets

Intangible assets have been acquired in connection with business combinations and are comprised of goodwill and other intangible assets. Goodwill is calculated as the excess cost over the fair value of assets acquired and is not subject to amortization. We review our goodwill balance annually for impairment as a single reporting unit, unless circumstances dictate more frequent assessments, and in accordance with Accounting Standards Update (“ASU”) 2011-08, Testing Goodwill for Impairment. ASU 2011-08 permits an initial assessment, commonly referred to as "step zero", of qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount and also provides a basis for determining whether it is necessary to perform the two-step goodwill impairment test required by ASC Topic 350.

In the fourth quarter of 2013, we performed the qualitative assessment of goodwill and determined it was more likely than not that the fair value of our reporting unit would be greater than its carrying amount. Therefore, we determined it was not necessary to perform the two-step goodwill impairment test. Furthermore, there has been no historical impairment of our goodwill.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Other intangible assets include the value of acquired customer lists and related non-compete agreements and are amortized on a straight-line basis over their estimated useful lives, none of which exceeds ten years. The gross carrying amount of our other intangible assets totaled $8.1 million as of December 31, 2013 and 2012. Accumulated amortization for these assets was $6.4 million and $5.7 million as of December 31, 2013 and 2012, respectively. The net carrying amounts of our other intangible assets are included in “Other assets” on our Balance Sheets. Amortization expense was $0.7 million for 2013 and $0.9 million for 2012 and 2011, respectively. Annual amortization expense for the next five years for these intangible assets is estimated to be: 

(In thousands)
2014	$	695
2015	$	495
2016	$	315
2017	$	210
2018	$	8

Long-Lived Assets

We assess the realizable value of our long-lived assets and evaluate such assets for impairment whenever events or changes in circumstances indicate the carrying amount of an asset may not be recoverable.

Claims and Insurance Accruals

At December 31, 2013, we maintained a self-insured retention ("SIR") of $2.75 million per occurrence for bodily injury and property damage ("BIPD") claims; a deductible of $100,000 per claim for cargo loss and damage; and a deductible of $1.0 million per occurrence for workers' compensation claims. We also had an SIR of $400,000 per occurrence (with a $400,000 aggregate over our retention level) for group health claims.

Claims and insurance accruals reflect the estimated cost of claims for cargo loss and damage, BIPD, workers' compensation, long-term disability, group health and group dental not covered by insurance. These accruals include amounts for future claims development and claims incurred but not reported, which are primarily based on historical claims development experience. The related costs for cargo loss and damage and BIPD are charged to insurance and claims expense, while the related costs for workers' compensation, long-term disability, group health and dental are charged to employee benefits expense.

Our liability for claims and insurance totaled $100.4 million and $93.5 million at December 31, 2013 and 2012, respectively. The long-term portions of those reserves were $61.6 million and $59.5 million for 2013 and 2012, respectively, which were included in “Other non-current liabilities” on our Balance Sheets.

Share-Based Compensation

Awards of phantom stock to employees and directors are accounted for as a liability under ASC topic 718, Compensation - Stock Compensation. ASC topic 718 requires changes in the fair value of our liability to be recognized as compensation cost over the requisite service period for the percentage of requisite service rendered each period. Changes in the fair value of the liability that occur after the requisite service period are recognized as compensation cost during the period in which the changes occur. We remeasure the liability for the outstanding awards at the end of each reporting period based on the closing price of our common stock at that date, and the compensation cost is based on the change in fair value for each reporting period.

Advertising

The costs of advertising our services are expensed as incurred and are included in “General supplies and expenses” on our Statements of Operations. Advertising costs charged to expense totaled $16.7 million, $11.0 million and $8.3 million for 2013, 2012 and 2011, respectively.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Common Stock Split

On August 13, 2012, we announced a three-for-two common stock split for shareholders of record as of the close of business on the record date, August 24, 2012. On September 7, 2012 those shareholders received one additional share of common stock for every two shares owned. In lieu of fractional shares, shareholders received a cash payment based on the average of the high and low sales prices of our common stock on the record date.

All references in this report to shares outstanding, weighted average shares outstanding and earnings per share amounts have been restated retroactively to reflect this stock split.

Fair Values of Financial Instruments

The carrying values of financial instruments, such as cash and cash equivalents, customer and other receivables and trade payables, approximate their fair value due to the short maturities of these instruments. The carrying value of our long-term debt was $191.4 million and $240.4 million at December 31, 2013 and 2012, respectively. The estimated fair value of our long-term debt was $196.5 million and $247.9 million at December 31, 2013 and 2012, respectively. The fair value measurement of our senior notes was determined using market interest rates for similar issuances of private debt. Since this methodology is based upon indicative market interest rates, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”). The fair value of our other long-term debt approximates carrying value.

Comprehensive Income

The Company has no components of other comprehensive income. Accordingly, net income equals comprehensive income for all periods presented in this report.

Earnings Per Share

Earnings per common share is computed using the weighted-average number of common shares outstanding during the period. There were no potentially dilutive shares outstanding at the end of each period presented in this report.

Supplemental Disclosure of Noncash Investing and Financing Activities

Investing and financing activities that are not reported in the Statements of Cash Flows due to their non-cash nature are summarized below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Acquisition of property and equipment by capital lease	$	—	$	1,094	$	8,570

In addition, during the fourth quarter of 2013, we completed a nonmonetary exchange of property. We acquired a service center with a fair value of $6.6 million, which resulted in a gain of $3.4 million. The resulting gain was recorded in "Miscellaneous expenses, net" on our Statements of Operations.

Recent Accounting Pronouncements

The FASB has issued various new accounting standards and updates during 2013 that are effective for future periods. We have evaluated these new standards and believe the adoption will not materially impact our financial condition or results of operations.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Note 2. Long-term Debt

Long-term debt consisted of the following:

	December 31,
(In thousands)	2013			2012
Senior notes	$	191,429		$	227,143
Revolving credit facility	—			10,000
Capitalized lease and other obligations	—			3,264
Total long-term debt	191,429			240,407
Less: Current maturities	(35,715		)	(38,978		)
Total maturities due after one year	$	155,714		$	201,429

We have three outstanding unsecured senior note agreements with an aggregate amount outstanding of $191.4 million at December 31, 2013. These notes call for periodic principal payments with maturities that range from 2015 to 2021, of which $35.7 million is due in the next twelve months. Interest rates on these notes are fixed and range from 4.00% to 5.85%. The weighted average interest rate on our outstanding senior note agreements was 4.99% and 5.07% at December 31, 2013 and 2012, respectively.

We have a five-year, $200.0 million senior unsecured revolving credit facility pursuant to the terms of a second amended and restated credit agreement dated August 10, 2011 (the “Credit Agreement”), with Wells Fargo Bank, National Association (“Wells Fargo”) serving as administrative agent for the lenders. Of the $200.0 million line of credit commitments, $150.0 million may be used for letters of credit and $20.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program. We utilize the sweep program to manage our daily cash needs, as the sweep program automatically initiates borrowings to cover overnight cash requirements up to an aggregate of $20.0 million. In addition, we have the right to request an increase in the line of credit commitments up to a total of $300.0 million in minimum increments of $25.0 million. At our option, revolving loans under the facility bear interest at either: (a) the Applicable Margin Percentage for Base Rate Loans plus the higher of Wells Fargo’s prime rate, the federal funds rate plus 0.5% per annum, or the one month LIBOR Rate plus 1.0% per annum; (b) the LIBOR Rate plus the Applicable Margin Percentage for LIBOR Loans; or (c) the LIBOR Market Index Rate (“LIBOR Index Rate”) plus the Applicable Margin Percentage for LIBOR Market Index Loans. The Applicable Margin Percentage is determined by a pricing grid in the Credit Agreement and ranges from 1.0% to 1.875% based upon the ratio of debt to total capitalization. The Applicable Margin Percentage was 1.0% and 1.125% at December 31, 2013 and 2012, respectively, and ranged from 1.0% to 1.125% during 2013. Revolving loans under the sweep program bear interest at the LIBOR Index Rate.

There was no outstanding balance of borrowings on the line of credit facility at December 31, 2013 and there was $10.0 million outstanding at December 31, 2012. There were $57.7 million and $52.4 million of outstanding letters of credit at December 31, 2013 and 2012, respectively.

Commitment fees ranging from 0.175% to 0.30% are charged quarterly in arrears on the aggregate unutilized portion of the Credit Agreement based upon the ratio of debt to total capitalization. Letter of credit fees equal to the applicable margin for Adjusted LIBOR Rate loans are charged quarterly in arrears on the daily average aggregate stated amount of all letters of credit outstanding during the quarter. The commitment fees ranged from 0.175% to 0.20% and letter of credit fees ranged from 1.0% to 1.125% during 2013. In addition, the Company will pay to Wells Fargo as issuer of letters of credit (i) a facing fee with respect to each letter of credit in an amount equal to 0.125% of the daily average aggregate Stated Amount thereof, payable quarterly in arrears and calculated on an actual/360-day basis and (ii) such fees and charges customarily charged in connection with the issuance and administration of such letters of credit. Wells Fargo, as administrative agent, shall also receive an annual administrative fee for providing such services.

Our Credit Agreement limits the amount of dividends that could be paid to shareholders to the greater of (i) $20.0 million, (ii) the amount of dividends paid in the immediately preceding fiscal year, or (iii) an amount equal to 25% of net income from the immediately preceding fiscal year. We did not declare or pay a dividend on our common stock in 2013 or 2012, and we have no plans to declare or pay a dividend in 2014.

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OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Our three outstanding senior note agreements and the Credit Agreement contain customary covenants, including financial covenants that require us to observe a maximum ratio of debt to total capital and a minimum fixed charge coverage ratio. Any future wholly-owned subsidiaries of the Company would be required to guarantee payment of all of our obligations under these agreements.

As of December 31, 2013, aggregate maturities of long-term debt are as follows:

(In thousands)
2014	$	35,715
2015	35,714
2016	25,000
2017	—
2018	50,000
Thereafter	45,000
	$	191,429

Note 3. Shareholders’ Equity

On February 2, 2011, we entered into an At-The-Market Equity Offering Sales Agreement with Stifel, Nicolaus & Company, Incorporated (“Stifel Nicolaus Weisel”) pursuant to which we had the ability to issue and sell, from time to time over a 12-month period through or to Stifel Nicolaus Weisel, shares of our common stock having an aggregate offering price of up to $100.0 million (the “ATM program”). The ATM program was conducted pursuant to the Company’s automatic shelf registration statement on Form S-3 (File No. 333-162709), filed by the Company on October 28, 2009 with the SEC, and a prospectus supplement, filed by the Company on February 2, 2011 with the SEC. Sales of the Company’s common stock in the offering were made by means of ordinary brokers’ transactions on the Nasdaq, in privately negotiated transactions, or otherwise at prevailing market prices at the time of sale. Set forth below is information regarding our ATM program. Shares and per share amounts have been adjusted for the three-for-two common stock split effected on September 7, 2012. 

Period	Aggregate Number of Shares Sold	Aggregate Gross Proceeds		Aggregate Net Proceeds		Average Sales Price Per Share
First quarter 2011	2,274,568	$	49,575,000	$	48,400,000	$	21.79

There were no subsequent issuances pursuant to the ATM program through February 2, 2012, which was the date on which the ATM program expired. The Company's automatic shelf registration statement expired in October 2012.

Note 4. Leases

We lease certain assets under operating leases, which primarily consist of real estate leases for 63 of our 221 service center locations at December 31, 2013. Certain operating leases provide for renewal options, which can vary by lease and are typically offered at their fair rental value. We have not made any residual value guarantees related to our operating leases; therefore, we have no corresponding liability recorded on our Balance Sheets.

Future minimum annual lease payments for assets under operating leases as of December 31, 2013 are as follows:

(In thousands)	Total
2014	$	15,931
2015	10,833
2016	7,508
2017	5,684
2018	4,623
Thereafter	14,210
Total minimum lease payments	$	58,789

Aggregate expense under operating leases was $17.9 million, $19.1 million and $19.5 million for 2013, 2012 and 2011, respectively. Certain operating leases include rent escalation provisions, which we recognize as expense on a straight-line basis.

We did not have any assets under capital leases at December 31, 2013. At December 31, 2012, we leased certain information systems under capital leases with a gross carrying value of $9.9 million and accumulated amortization of $2.3 million.

42

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Note 5. Income Taxes

The components of the provision for income taxes are as follows:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Current:
Federal	$	74,202	$	74,074	$	27,470
State	15,635		11,890		9,796
	89,837		85,964		37,266
Deferred:
Federal	28,593		14,978		39,934
State	4,143		2,704		3,414
	32,736		17,682		43,348
Total provision for income taxes	$	122,573	$	103,646	$	80,614

The following is a reconciliation of the U.S. statutory federal income tax rates with our effective income tax rates for 2013, 2012 and 2011:

	Year Ended December 31,
(In thousands)	2013			2012			2011
Tax provision at statutory rate	$	115,040		$	95,584		$	77,029
State income taxes, net of federal benefit	12,083			10,211			7,480
Meals and entertainment disallowance	872			828			721
Tax credits	(5,422		)	(2,609		)	(4,453		)
Other, net	—			(368		)	(163		)
Total provision for income taxes	$	122,573		$	103,646		$	80,614

Deferred tax assets and liabilities consist of the following:

	December 31,
(In thousands)	2013			2012
Deferred tax assets:
Claims and insurance reserves	$	35,200		$	32,499
Allowance for doubtful accounts	1,595			2,829
Accrued vacation	14,873			12,399
Deferred compensation	22,067			17,734
Other	10,648			9,764
Total deferred tax assets	84,383			75,225
Valuation allowance	(460		)	(559		)
Net deferred tax assets	83,923			74,666
Deferred tax liabilities:
Depreciation and amortization	(239,971		)	(197,875		)
Unrecognized revenue	(8,169		)	(8,171		)
Other	(1,651		)	(1,752		)
Total deferred tax liabilities	(249,791		)	(207,798		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

43

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Our net deferred tax liability consists of the following:

	December 31,
(In thousands)	2013			2012
Current deferred tax asset	$	23,249		$	20,054
Noncurrent deferred tax liability	(189,117		)	(153,186		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

As of December 31, 2013, the Company had various state tax credit carryforwards of approximately $3.8 million that are scheduled to expire in five to fifteen years. The Company recorded a valuation allowance in the amount of $460,000 and $559,000 as of December 31, 2013 and 2012, respectively, due to the uncertainty of realization of these tax credits.

We are subject to U.S. federal income tax, as well as income tax of multiple state tax jurisdictions. We remain open to examination by the Internal Revenue Service for tax years 2010 through 2013. We remain open to examination by various state tax jurisdictions for tax years 2009 through 2013.

Changes in our liability for unrecognized tax benefits could affect our effective tax rate, if recognized, but we do not expect any material changes within the next twelve months. The Company's liability for unrecognized tax benefits was immaterial as of December 31, 2013 and 2012. Interest and penalties related to uncertain tax positions, which are immaterial, are recorded in our Provision for Income Taxes on our Statements of Operations.

Note 6. Related Person Transactions

Family Relationships

Each of Earl E. Congdon, David S. Congdon and John R. Congdon, Jr. are related to one another and served in various management positions and/or on our Board of Directors during 2013. We have employment agreements with Earl E. Congdon and David S. Congdon, which are incorporated by reference as exhibits to our Annual Report on Form 10-K. We regularly disclose the amount of compensation that we pay to these individuals, as well as any of their family members employed by us and whose compensation from time to time may require disclosure, in the proxy statement for our Annual Meeting of Shareholders.

During 2012, John R. Congdon, who was the brother of Earl E. Congdon, resigned from his position as Senior Vice President. At that time, the Board of Directors and John R. Congdon mutually agreed to terminate his amended and restated employment agreement. He continued to be employed by the Company in a management position and as a member of our Board of Directors until his death in October 2013.

Transactions with Old Dominion Truck Leasing, Inc.

Old Dominion Truck Leasing, Inc. (“Leasing”) is a North Carolina corporation whose voting stock is beneficially owned by members of the Congdon family. Leasing is primarily engaged in the business of leasing tractors, trailers and other vehicles as well as providing contract dedicated fleet services. John R. Congdon served as Chairman of the Board of Leasing until October 2013 and was succeeded in that position by John R. Congdon, Jr. Earl E. Congdon and David S. Congdon currently serve as members of Leasing’s Board of Directors. Since 1986, we have combined our requirements with Leasing for the purchase of tractors, trailers, equipment, parts, tires and fuel. We believe that the termination of this arrangement would not have a material adverse impact on our financial results.

We purchased $299,000, $239,000 and $278,000 of maintenance and other services from Leasing in 2013, 2012 and 2011, respectively. We intend to continue to purchase maintenance and other services from Leasing, provided that Leasing’s prices continue to be favorable to us.

We charged Leasing $18,000, $18,000 and $18,000 for the rental of property in 2013, 2012 and 2011, respectively. No other services were provided to Leasing for the years ended December 31, 2013, 2012 and 2011.

44

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Split-Dollar Life Insurance Policies

We owned two split-dollar life insurance contracts insuring the life of John R. Congdon that were terminated upon Mr. Congdon's death in October 2013. The death benefits under these policies totaled an aggregate of $9.3 million, of which we received $7.3 million in December 2013 and Mr. Congdon’s beneficiaries received $2.0 million. At December 31, 2012, the net cash surrender value for these policies totaled $6.8 million and was included on our Balance Sheet under the caption “Other Assets.”

Note 7. Employee Benefit Plans

Defined Contribution Plan

Substantially all employees meeting certain service requirements are eligible to participate in our 401(k) employee retirement plan. Employee contributions are limited to a percentage of their compensation, as defined in the plan. We make contributions based upon the greater of a percentage of employee contributions or ten percent of net income. Company contributions for 2013, 2012 and 2011 were $20.6 million, $16.9 million and $13.9 million, respectively.

Deferred Compensation Plan

We maintain a nonqualified deferred compensation plan for the benefit of certain eligible employees, including those whose contributions to the 401(k) employee retirement plan are limited due to provisions of the Internal Revenue Code. Participating employees may elect to defer receipt of a percentage of their compensation, as defined in the plan, and the deferred amount is credited to each participant’s deferred compensation account. The plan is not funded and the Company does not make a matching contribution to this plan. Although the plan is not funded, participants are allowed to select investment options for which their deferrals and future earnings are deemed to be invested. Participant accounts are adjusted daily to reflect participant deferrals and the performance of their deemed investments. The amounts owed to the participants totaled $36.6 million and $30.0 million at December 31, 2013 and 2012, respectively.

Note 8. Share-Based Compensation

On October 30, 2012, our Board of Directors approved and we adopted the Old Dominion Freight Line, Inc. 2012 Phantom Stock Plan (the "2012 Phantom Stock Plan"). Under the 2012 Phantom Stock Plan, 1,000,000 shares of phantom stock may be awarded, each of which represents a contractual right to receive an amount in cash equal to the fair market value of a share of our common stock on the settlement date, which is the earliest of the date of the participant's (i) termination of employment for any reason other than for cause, (ii) death or (iii) total disability. Each award vests in 20% increments on the anniversary of the grant date provided that the participant (i) has been continuously employed by us since the grant date, (ii) has been continuously employed by us for ten years and (iii) has reached the age of 65. Vesting also occurs on the earliest of (i) a change in control, (ii) death or (iii) total disability. No shares of common stock will be issued pursuant to the 2012 Phantom Stock Plan, as the awards are settled in cash after the required vesting period has been satisfied and upon termination of employment. Unvested shares are forefeited upon termination of employment, although our Board of Directors has authority to

45

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

modify and/or accelerate the vesting of awards. Our Board of Directors approved the initial grants under the 2012 Phantom Stock Plan at its January 2013 meeting.

On May 16, 2005, our Board of Directors approved, and the Company adopted, the Old Dominion Freight Line, Inc. Phantom Stock Plan, as amended effective January 1, 2009, May 18, 2009 and May 17, 2011 (the “Phantom Stock Plan” and together with the 2012 Phantom Stock Plan, the “Employee Phantom Plans”). The Phantom Stock Plan expired in May 2012; however, grants under the Phantom Stock Plan remain outstanding. Each share of phantom stock awarded to eligible employees under the Phantom Stock Plan represents a contractual right to receive an amount in cash equal to the fair market value of a share of our common stock on the settlement date, which generally is the earlier of the eligible employee’s (i) termination from the Company after reaching 55 years of age, (ii) death or (iii) total disability. No shares of common stock will be issued pursuant to the Phantom Stock Plan, as the awards are settled in cash after the required vesting period has been satisfied and upon termination of employment.

Phantom Stock Plan awards vest upon the earlier to occur of the following: (i) the date of a change of control in our ownership; (ii) the fifth anniversary of the grant date of the award, provided the participant is employed by us on that date; (iii) the date of the participant’s death while employed by us; (iv) the date of the participant’s total disability; or (v) the date the participant attains the age of 65 while employed by us. Awards that are not vested upon termination of employment are forfeited. If termination occurs prior to attaining the age of 55, all vested and unvested awards are generally forfeited unless the termination results from death or total disability. The Phantom Stock Plan does, however, provide the Board of Directors with discretionary authority to modify and/or accelerate the vesting of awards.

A summary of cash payments for settled shares and compensation costs recognized in “Salaries, wages and benefits” on our Statements of Operations for the Employee Phantom Plans is provided below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	1,404	$	1,077	$	519
Compensation costs	7,639		5,404		3,719

Unrecognized compensation cost for all unvested shares under the Employee Phantom Plans as of December 31, 2013 was $7.6 million based on the price of our common stock on that date.

On May 28, 2008, our Board of Directors approved, and the Company adopted, the Old Dominion Freight Line, Inc. Director Phantom Stock Plan, as amended on April 1, 2011 (the “Director Phantom Stock Plan” and together with the Employee Phantom Plans, the “Phantom Plans”). Under the Director Phantom Stock Plan, each non-employee eligible director shall be granted an annual award of phantom shares equal to $50,000 on the grant date. Prior to the 2011 grant, the annual award to each non-employee eligible director was equal to $30,000 on the grant date. For each vested share, participants are entitled to an amount in cash equal to the fair market value of a share of our common stock on the date that service as a director terminates for any reason. No shares of common stock will be issued pursuant to the Director Phantom Stock Plan, as the awards are settled in cash. Our Board of Directors approved the initial grant under this plan at its May 2008 meeting and have authorized grants annually thereafter.

Director Phantom Stock Plan awards vest upon the earlier to occur of the following: (i) the one-year anniversary of the grant date; (ii) the date of the first annual meeting of shareholders that occurs after the grant date provided the participant is still in service as a director; (iii) the date of a change of control in our ownership provided that the participant is still in service as a director; or (iv) the date of the participant’s death or total disability while still in service as a director. Awards that are not vested upon termination of service as a director are forfeited.

46

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

A summary of cash payments for settled shares and compensation costs recognized in “Miscellaneous expenses, net” on our Statements of Operations for the Director Phantom Stock Plan is provided below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	—	$	—	$	6
Compensation costs	1,214		989		513

Unrecognized compensation cost for all unvested shares under the Director Phantom Stock Plan as of December 31, 2013 was $0.2 million based on the price of our common stock on that date.

A summary of the changes in the number of outstanding phantom stock awards during the year ended December 31, 2013 for the Phantom Plans is provided below. Of these awards, 266,740 and 277,701 phantom shares were vested at December 31, 2013 and 2012, respectively.

	Employee Phantom Plans		Director  Phantom Stock Plan	Total
Balance of shares outstanding at December 31, 2012	467,627		60,356	527,983
Granted	92,120		7,161	99,281
Settled	(70,090	)	—	(70,090	)
Forfeited	—		—	—
Balance of shares outstanding at December 31, 2013	489,657		67,517	557,174

The liability for phantom stock awards under the Phantom Plans consists of the following:

	December 31,
(In thousands)	2013		2012
Employee Phantom Plans	$	20,210	$	13,976
Director Phantom Stock Plan	3,422		2,207
Total	$	23,632	$	16,183

Note 9. Commitments and Contingencies

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business that have not been fully adjudicated, some of which are covered in part by insurance. Our management does not believe that these actions, when finally concluded and determined, will have a material adverse effect upon our financial position, liquidity or results of operations.

47

OLD DOMINION FREIGHT LINE, INC.

NOTES TO THE FINANCIAL STATEMENTS (CONTINUED)

Note 10. Quarterly Financial Information (Unaudited)

A summary of our unaudited quarterly financial information for 2013 and 2012 is provided below. Our tonnage levels and revenue mix are subject to seasonal trends common in the motor carrier industry. Financial results in the first quarter are normally lower due to reduced shipments during the winter months. Harsh winter weather can also adversely impact our performance by reducing demand and increasing operating expenses.

	Quarter
(In thousands, except per share data)	First		Second		Third		Fourth		Total
2013
Revenue (1)	$	538,416	$	590,304	$	616,458	$	592,470	$	2,337,648
Operating income	65,944		97,573		98,076		76,845		338,438
Net income	40,553		58,255		60,149		47,156		206,113
Net income per share:
Basic and diluted	0.47		0.68		0.70		0.55		2.39
2012
Revenue (1)	$	502,819	$	547,452	$	550,511	$	533,797	$	2,134,579
Operating income	54,218		82,588		80,932		67,516		285,254
Net income	31,095		47,832		51,044		39,481		169,452
Net income per share:
Basic and diluted	0.36		0.56		0.59		0.46		1.97

(1) Our 2012 and first quarter of 2013 revenue has been adjusted for an immaterial correction related to how we present the costs of purchased transportation for certain truckload brokerage and international freight forwarding services. For more information on these adjustments, see Note 1.

Note 11. Subsequent Events

Management evaluated all subsequent events and transactions through the issuance date of these financial statements, and concluded that no subsequent events or transactions have occurred that require recognition or disclosure in our financial statements.

48

Report of Independent Registered Public Accounting Firm

The Board of Directors and Shareholders of

Old Dominion Freight Line, Inc.

We have audited the accompanying balance sheets of Old Dominion Freight Line, Inc. as of December 31, 2013 and 2012, and the related statements of operations, changes in shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2013. Our audits also included the financial statement schedule listed in the Index at Item 15(a)(2). These financial statements and schedule are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements and schedule based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of Old Dominion Freight Line, Inc. at December 31, 2013 and 2012, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2013, in conformity with U.S. generally accepted accounting principles. Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material respects the information set forth therein.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Old Dominion Freight Line, Inc.’s internal control over financial reporting as of December 31, 2013, based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (1992 framework) and our report dated February 28, 2014 expressed an unqualified opinion thereon.

/s/ Ernst & Young LLP

Charlotte, North Carolina

February 28, 2014

49

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

a) Evaluation of disclosure controls and procedures

As of the end of the period covered by this report, our management has conducted an evaluation, with the participation of our Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), of the effectiveness of our disclosure controls and procedures in accordance with Rule 13a-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Based on this evaluation as of the end of the period covered by this report, our CEO and CFO concluded that, as of such date, our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is (i) accumulated and communicated to our management, including our CEO and CFO, as appropriate to allow timely decisions regarding required disclosure, and (ii) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

b) Management’s annual report on internal control over financial reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting in accordance with Exchange Act Rule 13a-15(f). Management has conducted an evaluation, with the participation of our CEO and CFO, of the effectiveness of our internal control over financial reporting as of December 31, 2013 based on the framework in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (1992 framework). Management concluded that our internal control over financial reporting was effective as of December 31, 2013, based on our evaluation under the framework in Internal Control – Integrated Framework.

A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, in designing a control system, we must take into account the benefits of controls relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected.

The effectiveness of our internal control over financial reporting as of December 31, 2013 has been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in their report which is included herein.

c) Changes in internal control over financial reporting

There were no changes in our internal control over financial reporting that occurred during the last quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

50

Report of Independent Registered Public Accounting Firm

The Board of Directors and Shareholders of

Old Dominion Freight Line, Inc.

We have audited Old Dominion Freight Line, Inc.’s internal control over financial reporting as of December 31, 2013, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (1992 framework) (the COSO criteria). Old Dominion Freight Line, Inc.’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, Old Dominion Freight Line, Inc. maintained, in all material respects, effective internal control over financial reporting as of December 31, 2013, based onthe COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the balance sheets of Old Dominion Freight Line, Inc. as of December 31, 2013 and 2012, and the related statements of operations, changes in shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2013 and our report dated February 28, 2014 expressed an unqualified opinion thereon. Our audits also included the financial statement schedule listed in the Index at Item 15 (a)(2).

/s/ Ernst & Young LLP

Charlotte, North Carolina

February 28, 2014

51

ITEM 9B. OTHER INFORMATION

None.

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The information required by Item 10 of Form 10-K will appear in the Company’s proxy statement for its 2014 Annual Meeting of Shareholders under the captions “Proposal 1 – Election of Directors,” “Executive Officers,” “Section 16(a) Beneficial Ownership Reporting Compliance,” “Corporate Governance – Attendance and Committees of the Board – Audit Committee,” and “Corporate Governance – Director Nominations,” and the information therein is incorporated herein by reference.

We have adopted a “Code of Business Conduct” that applies to all of our directors and officers and other employees, including our principal executive officer, principal financial officer and principal accounting officer. Our Code of Business Conduct is publicly available and is posted on our website at www.odfl.com/company/corpGovernance.shtml. To the extent permissible under applicable law, the rules of the SEC and Nasdaq listing standards, we intend to disclose on our website any amendment to our Code of Business Conduct, or any grant of a waiver from a provision of our Code of Business Conduct, that requires disclosure under applicable law, the rules of the SEC or Nasdaq listing standards.

ITEM 11. EXECUTIVE COMPENSATION

The information required by Item 11 of Form 10-K will appear in the Company’s proxy statement for its 2014 Annual Meeting of Shareholders under the captions “Corporate Governance – Compensation Committee Interlocks and Insider Participation,” “Compensation Discussion and Analysis,” “Compensation Committee Report,” “Executive Compensation,” and “Director Compensation,” and the information therein is incorporated herein by reference.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by Item 12 of Form 10-K will appear in the Company’s proxy statement for its 2014 Annual Meeting of Shareholders under the caption “Security Ownership of Management and Certain Beneficial Owners,” and the information therein is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by Item 13 of Form 10-K will appear in the Company’s proxy statement for the 2014 Annual Meeting of Shareholders under the captions “Corporate Governance – Independent Directors” and “Related Person Transactions,” and the information therein is incorporated herein by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by Item 14 of Form 10-K will appear in the Company’s proxy statement for its 2014 Annual Meeting of Shareholders under the captions “Corporate Governance – Audit Committee Pre-Approval Policies and Procedures” and “Independent Registered Public Accounting Firm Fees and Services,” and the information therein is incorporated herein by reference.

52

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a)(1) Financial Statements.

The following financial statements of Old Dominion Freight Line, Inc. are included in Item 8:

Balance Sheets – December 31, 2013 and December 31, 2012

Statements of Operations – Years ended December 31, 2013, December 31, 2012 and December 31, 2011

Statements of Changes in Shareholders’ Equity – Years ended December 31, 2013, December 31, 2012 and December 31, 2011

Statements of Cash Flows – Years ended December 31, 2013, December 31, 2012 and December 31, 2011

Notes to the Financial Statements

(a)(2) Financial Statement Schedules.

The Schedule II – Valuation and Qualifying Accounts schedule of Old Dominion Freight Line, Inc. is included below:

Schedule II

Old Dominion Freight Line, Inc.

Valuation and Qualifying Accounts

(In thousands)	Allowance for Uncollectible Accounts(1)
Year Ended December 31,	Balance at Beginning of Period		Charged to Expense		Deductions(2)		Balance at End of Period
2011	$	6,800	$	3,200	$	2,723	$	7,277
2012	$	7,277	$	2,123	$	2,118	$	7,282
2013	$	7,282	$	1,074	$	2,046	$	6,310

(1) This table does not include any allowances for revenue adjustments that result from billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments that are recorded in our revenue from operations.

(2) Uncollectible accounts written off, net of recoveries.

All other schedules for which provision is made in the applicable accounting regulations of the SEC are not required under the instructions or are inapplicable and, therefore, have been omitted.

(a)(3) Exhibits Filed.

The exhibits listed in the accompanying Exhibit Index are filed as a part of this report.

(b) Exhibits.

See Exhibit Index.

(c) Separate Financial Statements and Schedules.

None.

53

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		OLD DOMINION FREIGHT LINE, INC.
Dated:	February 28, 2014		By:	/s/ DAVID S. CONGDON
				David S. Congdon
				President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated:

Name and Signature	Position	Date
/s/ EARL E. CONGDON	Executive Chairman of the Board of Directors	February 28, 2014
Earl E. Congdon
/s/ DAVID S. CONGDON	Director, President and Chief Executive Officer	February 28, 2014
David S. Congdon	(Principal Executive Officer)
/s/ J. PAUL BREITBACH	Director	February 28, 2014
J. Paul Breitbach
/s/ JOHN R. CONGDON, JR.	Director	February 28, 2014
John R. Congdon, Jr.
/s/ ROBERT G. CULP, III	Director	February 28, 2014
Robert G. Culp, III
/s/ JOHN D. KASARDA	Director	February 28, 2014
John D. Kasarda
/s/ LEO H. SUGGS	Director	February 28, 2014
Leo H. Suggs
/s/ D. MICHAEL WRAY	Director	February 28, 2014
D. Michael Wray
/s/ J. WES FRYE	Senior Vice President – Finance	February 28, 2014
J. Wes Frye	and Chief Financial Officer
	(Principal Financial Officer)
/s/ JOHN P. BOOKER III	Vice President – Controller	February 28, 2014
John P. Booker III	(Principal Accounting Officer)

54

EXHIBIT INDEX

TO ANNUAL REPORT ON FORM 10-K

OLD DOMINION FREIGHT LINE, INC.

FOR YEAR ENDED DECEMBER 31, 2013

Exhibit No.	Description
3.1.1	Amended and Restated Articles of Incorporation of Old Dominion Freight Line, Inc. (as amended July 30, 2004) (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004, filed on August 6, 2004 )
3.1.2	Articles of Amendment of Old Dominion Freight Line, Inc. (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2012, filed on August 9, 2012)
3.2	Amended and Restated Bylaws of Old Dominion Freight Line, Inc. (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012, filed on February 28, 2013)
4.1	Specimen certificate of Common Stock (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012, filed on February 28, 2013)
4.6.10	Note Purchase Agreement among Old Dominion Freight Line, Inc. and the Purchasers set forth in Schedule A thereto, dated as of February 25, 2005 (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2004, filed on March 16, 2005)
4.9	Note Purchase Agreement among Old Dominion Freight Line, Inc. and the Purchasers set forth in Schedule A thereto, dated as of April 25, 2006 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on May 1, 2006)
4.10	Amended and Restated Credit Agreement among Wachovia Bank, National Association, as Administrative Agent; the Lenders named therein; and Old Dominion Freight Line, Inc., dated as of August 10, 2006 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on August 16, 2006)
4.10.1	Amendment No. 1 to Amended and Restated Credit Agreement among Old Dominion Freight Line, Inc., the Lenders named therein and Wells Fargo Bank, National Association, as Agent, dated as of December 31, 2010 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on January 6, 2011)
4.11	Note Purchase Agreement by and among Old Dominion Freight Line, Inc. and the Purchasers set forth in Schedule A thereto, dated as of January 3, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on January 6, 2011)
4.12	Second Amended and Restated Credit Agreement among Wells Fargo Bank, National Association, as Administrative Agent; the Lenders named therein; and Old Dominion Freight Line, Inc., dated as of August 10, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on August 16, 2011)
10.17.6*	Amended and Restated Employment Agreement Between Old Dominion Freight Line, Inc. and Earl E. Congdon, effective as of June 1, 2008 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K, filed on June 3, 2008)
10.17.7*	Amended and Restated Employment Agreement Between Old Dominion Freight Line, Inc. and John R. Congdon, effective as of June 1, 2008 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K, filed on June 3, 2008)
10.17.8*	Amended and Restated Employment Agreement between Old Dominion Freight Line, Inc. and David S. Congdon, effective as of June 1, 2008 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K, filed on June 3, 2008)

55

Exhibit No.	Description
10.17.10*	First Amendment to Amended and Restated Employment Agreement, effective as of May 31, 2010, by and between Old Dominion Freight Line, Inc. and Earl E. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on May 28, 2010)
10.17.11*	First Amendment to Amended and Restated Employment Agreement, effective as of May 31, 2010, by and between Old Dominion Freight Line, Inc. and John R. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on May 28, 2010)
10.17.12*	Second Amendment to Amended and Restated Employment Agreement, effective as of May 31, 2012, by and between Old Dominion Freight Line, Inc. and Earl E. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on February 6, 2012)
10.17.13*	Second Amendment to Amended and Restated Employment Agreement, effective as of May 31, 2012, by and between Old Dominion Freight Line, Inc. and John R. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on February 6, 2012)
10.17.14*	Termination of Agreement, effective as of August 3, 2012, by and between Old Dominion Freight Line, Inc. and John R. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on August 3, 2012)
10.17.15*	Old Dominion Freight Line, Inc. 2012 Phantom Stock Plan (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on November 5, 2012)
10.17.16*	Form of Old Dominion Freight Line, Inc. 2012 Phantom Stock Plan Phantom Stock Award Agreement (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on November 5, 2012)
10.17.17*	Second Amended and Restated Employment Agreement by and between Old Dominion Freight Line, Inc. and Earl E. Congdon, effective as of November 1, 2012 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on November 5, 2012)
10.17.18*	First Amendment to Amended and Restated Employment Agreement, effective as of November 1, 2012, by and between Old Dominion Freight Line, Inc. and David S. Congdon (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012, filed on February 28, 2013)
10.18.3*	Old Dominion Freight Line, Inc. Director Phantom Stock Plan (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2008, filed on August 8, 2008)
10.18.4*	Form of Old Dominion Freight Line, Inc. Director Phantom Stock Plan Award Agreement (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2008, filed on August 8, 2008)
10.18.6*	Non-Executive Director Compensation Structure, effective January 1, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011, filed on May 9, 2011)
10.18.7*	Old Dominion Freight Line, Inc. Director Phantom Stock Plan, as amended through April 1, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011, filed on May 9, 2011)
10.19.1*	Old Dominion Freight Line, Inc. Phantom Stock Plan, effective as of May 16, 2005 (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on May 20, 2005)
10.19.3*	Form of Old Dominion Freight Line, Inc. Phantom Stock Award Agreement (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on February 21, 2006)
10.19.4*	Old Dominion Freight Line, Inc. Phantom Stock Plan, effective as of January 1, 2009 (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2008, filed on March 2, 2009)

56

Exhibit No.	Description
10.19.5*	Old Dominion Freight Line, Inc. Change of Control Severance Plan for Key Executives, effective as of January 1, 2009 (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2008, filed on March 2, 2009)
10.19.6*	Amendment to Old Dominion Freight Line, Inc. Phantom Stock Plan, effective as of May 18, 2009 (Incorporated by reference to Exhibit 10.19.4 contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2009, filed on August 7, 2009)
10.19.7*	2011 Declaration of Amendment to Old Dominion Freight Line, Inc. Phantom Stock Plan, effective as of May 17, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2011, filed on November 8, 2011)
10.19.8*	Old Dominion Freight Line, Inc. Phantom Stock Award Agreement (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on July 5, 2012)
10.20.1*	2006 Nonqualified Deferred Compensation Plan of Old Dominion Freight Line, Inc., effective January 1, 2006 (as restated and effective January 1, 2009) (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2009, filed on March 1, 2010)
10.20.2*	Form of Annual Salary and Bonus Deduction Agreement (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on February 21, 2006)
10.20.3*	Second Amendment to 2006 Nonqualified Deferred Compensation Plan of Old Dominion Freight Line, Inc., as amended, effective November 10, 2011 (Incorporated by reference to the exhibit of the same number contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011, filed on February 29, 2012)
10.21*	Old Dominion Freight Line, Inc. Performance Incentive Plan (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K, filed on June 3, 2008)
10.22	At-The-Market Equity Offering Sales Agreement, dated February 2, 2011, between Old Dominion Freight Line, Inc. and Stifel, Nicolaus & Company, Incorporated (Incorporated by reference to the exhibit of the same number contained in the Company’s Current Report on Form 8-K filed on February 2, 2011)
23.1	Consent of Ernst & Young LLP
31.1	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification Pursuant to 18 U.S.C Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification Pursuant to 18 U.S.C Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	The following financial information from our Annual Report on Form 10-K for the year ended December 31, 2013, filed on February 28, 2014, formatted in XBRL (eXtensible Business Reporting Language) includes: (i) the Balance Sheets at December 31, 2013 and December 31, 2012, (ii) the Statements of Operations for the years ended December 31, 2013, December 31, 2012 and December 31, 2011, (iii) the Statements of Changes in Shareholders’ Equity for the years ended December 31, 2013, December 31, 2012 and December 31, 2011, (iv) the Statements of Cash Flows for the years ended December 31, 2013, December 31, 2012 and December 31, 2011, and (v) the Notes to the Financial Statements

* Denotes an executive compensation plan or agreement

Our SEC file number reference for documents filed with the SEC pursuant to the Securities Exchange Act of 1934, as amended, is 0-19582.

57

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-162695) pertaining to the Old Dominion 401(k) Retirement Plan of Old Dominion Freight Line, Inc. of our reports dated February 28, 2014, with respect to the financial statements and schedule of Old Dominion Freight Line, Inc., and the effectiveness of internal control over financial reporting of Old Dominion Freight Line, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2013.

/s/ Ernst & Young LLP

Charlotte, North Carolina

February 28, 2014

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, David S. Congdon, certify that:

1. I have reviewed this Annual Report on Form 10-K of Old Dominion Freight Line, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 28, 2014
		/s/ David S. Congdon
		President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, J. Wes Frye, certify that:

1. I have reviewed this Annual Report on Form 10-K of Old Dominion Freight Line, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 28, 2014
		/s/ J. Wes Frye
		Senior Vice President - Finance and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, David S. Congdon, state and attest that:

(1) I am the President and Chief Executive Officer of Old Dominion Freight Line, Inc. (the “Issuer”).

(2) Accompanying this certification is the Issuer’s Annual Report on Form 10-K for the year ended December 31, 2013 (the “Annual Report”), a periodic report filed by the Issuer with the Securities and Exchange Commission pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which contains financial statements.

(3) I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

◦ The Annual Report containing the financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act, and

◦ The information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer for the periods presented.

/s/ David S. Congdon
Name:	David S. Congdon
Date:	February 28, 2014

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, J. Wes Frye, state and attest that:

(1) I am the Senior Vice President – Finance and Chief Financial Officer of Old Dominion Freight Line, Inc. (the “Issuer”).

(2) Accompanying this certification is the Issuer’s Annual Report on Form 10-K for the year ended December 31, 2013 (the “Annual Report”), a periodic report filed by the Issuer with the Securities and Exchange Commission pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which contains financial statements.

(3) I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

◦ The Annual Report containing the financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act, and

◦ The information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer for the periods presented.

/s/ J. Wes Frye
Name:	J. Wes Frye
Date:	February 28, 2014

XML

Income Taxes (Schedule Of Effective Reconciliation Of The U.S. Statutory Federal Income Tax Rates) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Tax provision at statutory rate on income before income taxes	$ 115,040	$ 95,584	$ 77,029
State income taxes, net of federal benefit	12,083	10,211	7,480
Meals and entertainment disallowance	872	828	721
Tax credits	(5,422)	(2,609)	(4,453)
Other, net	0	(368)	(163)
Total provision for income taxes	$ 122,573	$ 103,646	$ 80,614

XML

Schedule II - Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract]
Balance at Beginning of Period	$ 7,282	$ 7,277	$ 6,800
Charged to Costs and Expenses	1,074	2,123	3,200
Deductions	2,046	2,118	2,723
Balance at End of Period	$ 6,310	$ 7,282	$ 7,277

XML

Share-Based Compensation (Summary Of The Changes In The Number Of Outstanding Phantom Stock Shares) (Details) [Axis]	12 Months Ended
	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance of shares outstanding at December 31, 2012	527,983
Granted	99,281
Settled	(70,090)
Forfeited	0
Balance of shares outstanding at December 31, 2013	557,174
Employee Phantom Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance of shares outstanding at December 31, 2012	467,627
Granted	92,120
Settled	(70,090)
Forfeited	0
Balance of shares outstanding at December 31, 2013	489,657
Director Phantom Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance of shares outstanding at December 31, 2012	60,356
Granted	7,161
Settled	0
Forfeited	0
Balance of shares outstanding at December 31, 2013	67,517

XML

Long-Term Debt (Aggregate Maturities Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Debt Disclosure [Abstract]
2013	$ 35,715
2014	35,714
2015	25,000
2016	0
2017	50,000
Thereafter	45,000
Total	$ 191,429

XML

Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary Of The Changes In The Number Of Outstanding Phantom Stock Shares

	Employee Phantom Plans		Director  Phantom Stock Plan	Total
Balance of shares outstanding at December 31, 2012	467,627		60,356	527,983
Granted	92,120		7,161	99,281
Settled	(70,090	)	—	(70,090	)
Forfeited	—		—	—
Balance of shares outstanding at December 31, 2013	489,657		67,517	557,174

Schedule of cash payments and compensation costs

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	—	$	—	$	6
Compensation costs	1,214		989		513

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	1,404	$	1,077	$	519
Compensation costs	7,639		5,404		3,719

Schedule of Phantom Stock Liability

	December 31,
(In thousands)	2013		2012
Employee Phantom Plans	$	20,210	$	13,976
Director Phantom Stock Plan	3,422		2,207
Total	$	23,632	$	16,183

XML

Income Taxes Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Tax Credit Carryforwards	$ 3,800,000
Tax Credit Carryforward, Expiration Date Minimum	5
Tax Credit Carryforward, Expiration Date Maximum	15
Deferred Tax Assets, Valuation Allowance	$ 460,000	$ 559,000

XML

Leases (Future Minimum Annual Lease Payments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Leases, Operating [Abstract]
Operating Leases Payable, 2014	$ 15,931
Operating Leases Payable, 2015	10,833
Operating Leases Payable, 2016	7,508
Operating Leases Payable, 2017	5,684
Operating Leases Payable, 2018	4,623
Operating Leases Payable, Thereafter	14,210
Total minimum operating lease payments	$ 58,789

XML

Quarterly Financial Information (Summary Of Quarterly Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Selected Quarterly Financial Information [Abstract]
Revenue	$ 592,470	$ 616,458	$ 590,304	$ 538,416	$ 533,797	$ 550,511	$ 547,452	$ 502,819	$ 2,337,648	$ 2,134,579	$ 1,903,800
Operating income	76,845	98,076	97,573	65,944	67,516	80,932	82,588	54,218	338,438	285,254	234,072
Net income	$ 47,156	$ 60,149	$ 58,255	$ 40,553	$ 39,481	$ 51,044	$ 47,832	$ 31,095	$ 206,113	$ 169,452	$ 139,470
Basic and diluted	$ 0.55	$ 0.70	$ 0.68	$ 0.47	$ 0.46	$ 0.59	$ 0.56	$ 0.36	$ 2.39	$ 1.97

XML

Shareholders' Equity

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Note 3. Shareholders’ Equity

On February 2, 2011, we entered into an At-The-Market Equity Offering Sales Agreement with Stifel, Nicolaus & Company, Incorporated (“Stifel Nicolaus Weisel”) pursuant to which we had the ability to issue and sell, from time to time over a 12-month period through or to Stifel Nicolaus Weisel, shares of our common stock having an aggregate offering price of up to $100.0 million (the “ATM program”). The ATM program was conducted pursuant to the Company’s automatic shelf registration statement on Form S-3 (File No. 333-162709), filed by the Company on October 28, 2009 with the SEC, and a prospectus supplement, filed by the Company on February 2, 2011 with the SEC. Sales of the Company’s common stock in the offering were made by means of ordinary brokers’ transactions on the Nasdaq, in privately negotiated transactions, or otherwise at prevailing market prices at the time of sale. Set forth below is information regarding our ATM program. Shares and per share amounts have been adjusted for the three-for-two common stock split effected on September 7, 2012. 

Period	Aggregate Number of Shares Sold	Aggregate Gross Proceeds		Aggregate Net Proceeds		Average Sales Price Per Share
First quarter 2011	2,274,568	$	49,575,000	$	48,400,000	$	21.79

There were no subsequent issuances pursuant to the ATM program through February 2, 2012, which was the date on which the ATM program expired. The Company's automatic shelf registration statement expired in October 2012.

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Related Person Transactions (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Rental service charge		$ 18,000	$ 18,000	$ 18,000
Purchase of maintenance and other services		299,000	239,000	278,000
Cash surrender value			6,800,000
Cash Surrender Value Of Life Insurance	9,300,000	9,300,000
Proceeds from Life Insurance Policies	7,300,000
Proceeds from Life Insurance Policies Designated to a Third Party	$ 2,000,000

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Significant Accounting Policies (Expected Amortization Expenses For Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Accounting Policies [Abstract]
2014	$ 695
2015	495
2016	315
2017	210
2018	$ 8

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Significant Accounting Policies (Estimated Useful Lives Of Property And Equipment) (Details)	12 Months Ended
	Dec. 31, 2013
Leasehold Improvements [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of assets	Lesser of economic life or life of lease
Minimum [Member] | Structures [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	7 years
Minimum [Member] | Revenue Equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	4 years
Minimum [Member] | Other Equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	2 years
Maximum [Member] | Structures [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	30 years
Maximum [Member] | Revenue Equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	15 years
Maximum [Member] | Other Equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful lives of asset, years	20 years

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Employee Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]
Company contributions	$ 20.6	$ 16.9	$ 13.9
Deferred compensation plan amounts owed	$ 36.6	$ 30.0

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Significant Accounting Policies Significant Accounting Policies (Supplemental Cash Flow Information) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Cash Flow Elements [Abstract]
Supplemental Assets Acquired Under Capital Leases	$ 0	$ 1,094,000	$ 8,570,000
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	6,600,000
Other Noncash Income	$ 3,400,000

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Long-Term Debt (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Senior Notes	$ 191,429,000	$ 227,143,000
Maximum borrowing capacity	300,000,000
Minimum increments under the additional borrowings	25,000,000
Interest Rate Spread added to LIBOR Rate	1.00%
Interest Rate Spread added to Federal Funds Rate	0.50%
Line of credit, outstanding	0	10,000,000
Facing fee on outstanding amount of letter of credit	0.125%
Minimum amount of dividends payable to shareholder as per credit agreement	20,000,000.0
Percentage of preceding year net income payable as dividend	25.00%
Letter Of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	150,000,000
Line of credit, outstanding	57,700,000	52,400,000
Sweep Program [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	20,000,000
Five-Year Senior Unsecured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Current borrowing capacity	200,000,000
Applicable Margin Interest On Credit Facility Low End	1.00%
Applicable Margin Interest On Credit Facility High End	1.875%
Interest Rate Spread added to LIBOR Rate	1.00%	1.125%
Senior Notes [Member]
Debt Instrument [Line Items]
Periodic principal payments	$ 35,700,000
Fixed interest rate, minimum	4.00%
Fixed interest rate, maximum	5.85%
Effective average interest rate	4.99%	5.07%
Maximum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to LIBOR Rate	1.125%
Letter of credit fee	1.125%
Commitment fee percentage	0.20%
Line Of Credit Facility Commitment Stated Fee Percentage	0.30%
Minimum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to LIBOR Rate	1.00%
Letter of credit fee	1.00%
Commitment fee percentage	0.175%
Line Of Credit Facility Commitment Stated Fee Percentage	0.175%

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Long-Term Debt

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Long-Term Debt

Note 2. Long-term Debt

Long-term debt consisted of the following:

	December 31,
(In thousands)	2013			2012
Senior notes	$	191,429		$	227,143
Revolving credit facility	—			10,000
Capitalized lease and other obligations	—			3,264
Total long-term debt	191,429			240,407
Less: Current maturities	(35,715		)	(38,978		)
Total maturities due after one year	$	155,714		$	201,429

We have three outstanding unsecured senior note agreements with an aggregate amount outstanding of $191.4 million at December 31, 2013. These notes call for periodic principal payments with maturities that range from 2015 to 2021, of which $35.7 million is due in the next twelve months. Interest rates on these notes are fixed and range from 4.00% to 5.85%. The weighted average interest rate on our outstanding senior note agreements was 4.99% and 5.07% at December 31, 2013 and 2012, respectively.

We have a five-year, $200.0 million senior unsecured revolving credit facility pursuant to the terms of a second amended and restated credit agreement dated August 10, 2011 (the “Credit Agreement”), with Wells Fargo Bank, National Association (“Wells Fargo”) serving as administrative agent for the lenders. Of the $200.0 million line of credit commitments, $150.0 million may be used for letters of credit and $20.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program. We utilize the sweep program to manage our daily cash needs, as the sweep program automatically initiates borrowings to cover overnight cash requirements up to an aggregate of $20.0 million. In addition, we have the right to request an increase in the line of credit commitments up to a total of $300.0 million in minimum increments of $25.0 million. At our option, revolving loans under the facility bear interest at either: (a) the Applicable Margin Percentage for Base Rate Loans plus the higher of Wells Fargo’s prime rate, the federal funds rate plus 0.5% per annum, or the one month LIBOR Rate plus 1.0% per annum; (b) the LIBOR Rate plus the Applicable Margin Percentage for LIBOR Loans; or (c) the LIBOR Market Index Rate (“LIBOR Index Rate”) plus the Applicable Margin Percentage for LIBOR Market Index Loans. The Applicable Margin Percentage is determined by a pricing grid in the Credit Agreement and ranges from 1.0% to 1.875% based upon the ratio of debt to total capitalization. The Applicable Margin Percentage was 1.0% and 1.125% at December 31, 2013 and 2012, respectively, and ranged from 1.0% to 1.125% during 2013. Revolving loans under the sweep program bear interest at the LIBOR Index Rate.

There was no outstanding balance of borrowings on the line of credit facility at December 31, 2013 and there was $10.0 million outstanding at December 31, 2012. There were $57.7 million and $52.4 million of outstanding letters of credit at December 31, 2013 and 2012, respectively.

Commitment fees ranging from 0.175% to 0.30% are charged quarterly in arrears on the aggregate unutilized portion of the Credit Agreement based upon the ratio of debt to total capitalization. Letter of credit fees equal to the applicable margin for Adjusted LIBOR Rate loans are charged quarterly in arrears on the daily average aggregate stated amount of all letters of credit outstanding during the quarter. The commitment fees ranged from 0.175% to 0.20% and letter of credit fees ranged from 1.0% to 1.125% during 2013. In addition, the Company will pay to Wells Fargo as issuer of letters of credit (i) a facing fee with respect to each letter of credit in an amount equal to 0.125% of the daily average aggregate Stated Amount thereof, payable quarterly in arrears and calculated on an actual/360-day basis and (ii) such fees and charges customarily charged in connection with the issuance and administration of such letters of credit. Wells Fargo, as administrative agent, shall also receive an annual administrative fee for providing such services.

Our Credit Agreement limits the amount of dividends that could be paid to shareholders to the greater of (i) $20.0 million, (ii) the amount of dividends paid in the immediately preceding fiscal year, or (iii) an amount equal to 25% of net income from the immediately preceding fiscal year. We did not declare or pay a dividend on our common stock in 2013 or 2012, and we have no plans to declare or pay a dividend in 2014.

Our three outstanding senior note agreements and the Credit Agreement contain customary covenants, including financial covenants that require us to observe a maximum ratio of debt to total capital and a minimum fixed charge coverage ratio. Any future wholly-owned subsidiaries of the Company would be required to guarantee payment of all of our obligations under these agreements.

As of December 31, 2013, aggregate maturities of long-term debt are as follows:

(In thousands)
2014	$	35,715
2015	35,714
2016	25,000
2017	—
2018	50,000
Thereafter	45,000
	$	191,429

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Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Disclosure [Abstract]
Senior Notes	$ 191,429	$ 227,143
Revolving credit facility	0	10,000
Capitalized lease and other obligations	0	3,264
Total long-term debt	191,429	240,407
Less: Current maturities	(35,715)	(38,978)
Total maturities due after one year	$ 155,714	$ 201,429

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Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Claims and insurance reserves	$ 35,200	$ 32,499
Allowance for doubtful accounts	1,595	2,829
Accrued vacation	14,873	12,399
Deferred compensation	22,067	17,734
Other	10,648	9,764
Total deferred tax assets	84,383	75,225
Valuation allowance	(460)	(559)
Net deferred tax assets	83,923	74,666
Depreciation	(239,971)	(197,875)
Unrecognized revenue	(8,169)	(8,171)
Other	(1,651)	(1,752)
Total deferred tax liabilities	(249,791)	(207,798)
Net deferred tax liability	$ (165,868)	$ (133,132)

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Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets, Current [Abstract]
Cash and cash equivalents	$ 30,174	$ 12,857
Customer receivables, less allowances of $8,067 and $8,561, respectively	248,069	219,039
Other receivables	10,225	1,324
Prepaid expenses and other current assets	21,262	21,754
Deferred income taxes	23,249	20,054
Total current assets	332,979	275,028
Property and equipment
Revenue equipment	1,009,936	922,030
Land and structures	990,256	874,768
Other fixed assets	266,563	225,298
Leasehold improvements	6,378	6,128
Total property and equipment	2,273,133	2,028,224
Less: Accumulated depreciation	(730,074)	(648,919)
Net property and equipment	1,543,059	1,379,305
Goodwill	19,463	19,463
Other assets	36,588	38,718
Total assets	1,932,089	1,712,514
Liabilities, Current [Abstract]
Accounts Payable, Current	36,788	44,891
Compensation and benefits	97,187	80,047
Claims and insurance accruals	38,784	33,990
Other accrued liabilities	21,480	20,906
Income taxes payable	2,168	6,327
Current maturities of long-term debt	35,715	38,978
Total current liabilities	232,122	225,139
Long-term debt	155,714	201,429
Other non-current liabilities	123,054	106,791
Deferred income taxes	189,117	153,186
Total long-term liabilities	467,885	461,406
Total liabilities	700,007	686,545
Commitments and contingent liabilities
Shareholders equity
Common stock - $0.10 par value, 140,000,000 shares authorized, 86,164,917 shares outstanding at December 31, 2013 and 2012	8,616	8,616
Capital in excess of par value	134,401	134,401
Retained earnings	1,089,065	882,952
Total shareholders' equity	1,232,082	1,025,969
Total liabilities and shareholders' equity	$ 1,932,089	$ 1,712,514

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Share-Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	99,281
Phantom shares annual award			$ 50,000	$ 30,000
Phantom shares vested	266,740	277,701
Total liability for share awards	23,632,000	16,183,000
Director Phantom Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	7,161
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Total Share-based Liabilities Paid	0	0	6,000
Total liability for share awards	3,422,000	2,207,000
Compensation costs	1,214,000	989,000	513,000
Unrecognized compensation cost	200,000
Employee Phantom Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	92,120
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Total Share-based Liabilities Paid	1,404,000	1,077,000	519,000
Total liability for share awards	20,210,000	13,976,000
Compensation costs	7,639,000	5,404,000	3,719,000
Unrecognized compensation cost	$ 7,600,000
2012 Phantom Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of phantom stock available for awards	1,000,000

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Statements Of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 206,113,000	$ 169,452,000	$ 139,470,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	127,072,000	110,743,000	90,820,000
(Gain) loss on sale of property and equipment	(5,743,000)	78,000	1,263,000
Deferred income taxes	32,736,000	17,682,000	43,348,000
Changes in assets and liabilities
Customer and other receivables, net	(30,063,000)	(5,410,000)	(40,414,000)
Prepaid expenses and other assets	1,910,000	(7,956,000)	(2,952,000)
Accounts payable	(8,103,000)	2,795,000	12,875,000
Compensation, benefits and other accrued liabilities	17,714,000	13,559,000	17,626,000
Claims and insurance accruals	6,952,000	7,458,000	6,696,000
Income taxes, net	(12,027,000)	9,264,000	3,224,000
Other liabilities	14,105,000	10,391,000	5,978,000
Net cash provided by operating activities	350,666,000	328,056,000	277,934,000
Cash flows from investing activities:
Purchase of property and equipment	(295,606,000)	(373,193,000)	(250,768,000)
Proceeds from sale of property and equipment	11,235,000	12,018,000	5,436,000
Net cash used in investing activities	(284,371,000)	(361,175,000)	(245,332,000)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	412,000	96,010,000
Principal payments under long-term debt agreements	(38,978,000)	(40,284,000)	(40,382,000)
Net (payments) proceeds on revolving line of credit	(10,000,000)	10,000,000	(66,230,000)
Proceeds from stock issuance, net of issuance costs	0	0	48,400,000
Other financing activities, net	0	(2,000)	0
Net cash (used in) provided by financing activities	(48,978,000)	(29,874,000)	37,798,000
(Decrease) increase in cash and cash equivalents	17,317,000	(62,993,000)	70,400,000
Cash and cash equivalents at beginning of year	12,857,000	75,850,000	5,450,000
Cash and cash equivalents at end of year	30,174,000	12,857,000	75,850,000
Income taxes paid	102,448,000	74,932,000	34,579,000
Interest paid	11,585,000	13,728,000	14,011,000
Capitalized interest	$ 1,731,000	$ 1,963,000	$ 895,000

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Leases (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Leases, Operating [Abstract]
Number of real estate leases	63
Number Of Service Center Locations	221
Aggregate expense under operating leases	$ 17.9	$ 19.1	$ 19.5

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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule Of ATM Program

Set forth below is information regarding our ATM program. Shares and per share amounts have been adjusted for the three-for-two common stock split effected on September 7, 2012. 

Period	Aggregate Number of Shares Sold	Aggregate Gross Proceeds		Aggregate Net Proceeds		Average Sales Price Per Share
First quarter 2011	2,274,568	$	49,575,000	$	48,400,000	$	21.79

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Leases (Assets Under Capital Leases) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Leases, Operating [Abstract]
Information systems	$ 9.9
Less: Accumulated amortization	$ (2.3)

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Components Of The Provision For Income Taxes

The components of the provision for income taxes are as follows:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Current:
Federal	$	74,202	$	74,074	$	27,470
State	15,635		11,890		9,796
	89,837		85,964		37,266
Deferred:
Federal	28,593		14,978		39,934
State	4,143		2,704		3,414
	32,736		17,682		43,348
Total provision for income taxes	$	122,573	$	103,646	$	80,614

Schedule Of Effective Income Tax Reconciliation Of The U.S. Statutory Federal Income Tax Rates

The following is a reconciliation of the U.S. statutory federal income tax rates with our effective income tax rates for 2013, 2012 and 2011:

	Year Ended December 31,
(In thousands)	2013			2012			2011
Tax provision at statutory rate	$	115,040		$	95,584		$	77,029
State income taxes, net of federal benefit	12,083			10,211			7,480
Meals and entertainment disallowance	872			828			721
Tax credits	(5,422		)	(2,609		)	(4,453		)
Other, net	—			(368		)	(163		)
Total provision for income taxes	$	122,573		$	103,646		$	80,614

Schedule Of Deferred Tax Assets And Liabilities

Deferred tax assets and liabilities consist of the following:

	December 31,
(In thousands)	2013			2012
Deferred tax assets:
Claims and insurance reserves	$	35,200		$	32,499
Allowance for doubtful accounts	1,595			2,829
Accrued vacation	14,873			12,399
Deferred compensation	22,067			17,734
Other	10,648			9,764
Total deferred tax assets	84,383			75,225
Valuation allowance	(460		)	(559		)
Net deferred tax assets	83,923			74,666
Deferred tax liabilities:
Depreciation and amortization	(239,971		)	(197,875		)
Unrecognized revenue	(8,169		)	(8,171		)
Other	(1,651		)	(1,752		)
Total deferred tax liabilities	(249,791		)	(207,798		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

Schedule Of Net Deferred Tax Liability

Our net deferred tax liability consists of the following:

	December 31,
(In thousands)	2013			2012
Current deferred tax asset	$	23,249		$	20,054
Noncurrent deferred tax liability	(189,117		)	(153,186		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

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Significant Accounting Policies

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Significant Accounting Policies

Note 1. Significant Accounting Policies

Business

We are a leading, less-than-truckload (“LTL”), union-free motor carrier providing regional, inter-regional and national LTL service and other logistics services from a single integrated organization. In addition to our core LTL services, we offer a broad range of value-added services including international freight forwarding, ground and air expedited transportation, container delivery, truckload brokerage, supply chain consulting, warehousing and consumer household pickup and delivery.

We have one operating segment and no single customer exceeds 10% of our revenue.

Basis of Presentation

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Prior Period Adjustments

During the second quarter of 2013, we determined that the costs of purchased transportation for certain truckload brokerage and international freight forwarding services, which were previously netted against revenue, met the criteria to be presented separately in operating expenses in accordance with Accounting Standards Codification ("ASC") Topic 605, Revenue Recognition. As a result, the accompanying Statements of Operations include correcting adjustments to increase both revenue and purchased transportation expense in the amounts of $24.1 million and $21.3 million for the years ended December 31, 2012 and 2011, respectively. There was no effect on retained earnings, operating income, net income, earnings per share or cash flows for any period presented.

Revenue and Expense Recognition

We recognize revenue based upon when our transportation services have been completed in accordance with the bill of lading contract, our general tariff provisions or contractual agreements with our customers. Generally, this occurs when we complete the delivery of a shipment. For transportation services not completed at the end of a reporting period, we use a percentage of completion method to allocate the appropriate revenue to each separate reporting period. Under this method, we develop a factor for each uncompleted shipment by dividing the actual number of days in transit at the end of a reporting period by that shipment’s standard delivery time schedule. This factor is applied to the total revenue for that shipment and revenue is allocated between reporting periods accordingly.

Expenses are recognized when incurred.

Allowances for Uncollectible Accounts and Revenue Adjustments

We maintain an allowance for uncollectible accounts for estimated losses resulting from the inability of our customers to make required payments. We estimate this allowance by analyzing the aging of our customer receivables, our historical loss experience and other trends and factors affecting the credit risk of our customers. Write-offs occur when we determine an account to be uncollectible and could differ from our allowance estimate as a result of factors such as changes in the overall economic environment or risks surrounding our customers. Additional allowances may be required if the financial condition of our customers were to deteriorate, resulting in an impairment of their ability to make payments. We periodically review the underlying assumptions in our estimate of the allowance for uncollectible accounts to ensure that the allowance reflects the most recent trends and factors.

We also maintain an allowance for estimated revenue adjustments resulting from future billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments. These revenue adjustments are recorded in our revenue from operations. We use historical experience, trends and current information to update and evaluate these estimates.

Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist principally of customer receivables. We perform initial and ongoing credit evaluations of our customers to minimize credit risk. We generally do not require collateral but may require prepayment of our services under certain circumstances. Credit risk is generally diversified due to the large number of entities comprising our customer base and their dispersion across many different industries and geographic regions.

Cash and Cash Equivalents

We consider cash on hand and deposits in banks along with certificates of deposit and short-term marketable securities with original maturities of three months or less as cash and cash equivalents.

Property and Equipment

Property and equipment are stated at cost. Major additions and improvements are capitalized, while maintenance and repairs that do not improve or extend the lives of the respective assets are charged to expense as incurred. We capitalize the cost of tires mounted on purchased revenue equipment as a part of the total equipment cost. Subsequent replacement tires are expensed at the time those tires are placed in service.

Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the related assets. The following table provides the estimated useful lives by asset type: 

Structures	7 to 30 years
Revenue equipment	4 to 15 years
Other equipment	2 to 20 years
Leasehold improvements	Lesser of economic life or life of lease

Depreciation expense, which includes the amortization of capital leases, was $126.4 million, $109.8 million and $89.9 million for 2013, 2012 and 2011, respectively.

Goodwill and Other Intangible Assets

Intangible assets have been acquired in connection with business combinations and are comprised of goodwill and other intangible assets. Goodwill is calculated as the excess cost over the fair value of assets acquired and is not subject to amortization. We review our goodwill balance annually for impairment as a single reporting unit, unless circumstances dictate more frequent assessments, and in accordance with Accounting Standards Update (“ASU”) 2011-08, Testing Goodwill for Impairment. ASU 2011-08 permits an initial assessment, commonly referred to as "step zero", of qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount and also provides a basis for determining whether it is necessary to perform the two-step goodwill impairment test required by ASC Topic 350.

In the fourth quarter of 2013, we performed the qualitative assessment of goodwill and determined it was more likely than not that the fair value of our reporting unit would be greater than its carrying amount. Therefore, we determined it was not necessary to perform the two-step goodwill impairment test. Furthermore, there has been no historical impairment of our goodwill.

Other intangible assets include the value of acquired customer lists and related non-compete agreements and are amortized on a straight-line basis over their estimated useful lives, none of which exceeds ten years. The gross carrying amount of our other intangible assets totaled $8.1 million as of December 31, 2013 and 2012. Accumulated amortization for these assets was $6.4 million and $5.7 million as of December 31, 2013 and 2012, respectively. The net carrying amounts of our other intangible assets are included in “Other assets” on our Balance Sheets. Amortization expense was $0.7 million for 2013 and $0.9 million for 2012 and 2011, respectively. Annual amortization expense for the next five years for these intangible assets is estimated to be: 

(In thousands)
2014	$	695
2015	$	495
2016	$	315
2017	$	210
2018	$	8

Long-Lived Assets

We assess the realizable value of our long-lived assets and evaluate such assets for impairment whenever events or changes in circumstances indicate the carrying amount of an asset may not be recoverable.

Claims and Insurance Accruals

At December 31, 2013, we maintained a self-insured retention ("SIR") of $2.75 million per occurrence for bodily injury and property damage ("BIPD") claims; a deductible of $100,000 per claim for cargo loss and damage; and a deductible of $1.0 million per occurrence for workers' compensation claims. We also had an SIR of $400,000 per occurrence (with a $400,000 aggregate over our retention level) for group health claims.

Claims and insurance accruals reflect the estimated cost of claims for cargo loss and damage, BIPD, workers' compensation, long-term disability, group health and group dental not covered by insurance. These accruals include amounts for future claims development and claims incurred but not reported, which are primarily based on historical claims development experience. The related costs for cargo loss and damage and BIPD are charged to insurance and claims expense, while the related costs for workers' compensation, long-term disability, group health and dental are charged to employee benefits expense.

Our liability for claims and insurance totaled $100.4 million and $93.5 million at December 31, 2013 and 2012, respectively. The long-term portions of those reserves were $61.6 million and $59.5 million for 2013 and 2012, respectively, which were included in “Other non-current liabilities” on our Balance Sheets.

Share-Based Compensation

Awards of phantom stock to employees and directors are accounted for as a liability under ASC topic 718, Compensation - Stock Compensation. ASC topic 718 requires changes in the fair value of our liability to be recognized as compensation cost over the requisite service period for the percentage of requisite service rendered each period. Changes in the fair value of the liability that occur after the requisite service period are recognized as compensation cost during the period in which the changes occur. We remeasure the liability for the outstanding awards at the end of each reporting period based on the closing price of our common stock at that date, and the compensation cost is based on the change in fair value for each reporting period.

Advertising

The costs of advertising our services are expensed as incurred and are included in “General supplies and expenses” on our Statements of Operations. Advertising costs charged to expense totaled $16.7 million, $11.0 million and $8.3 million for 2013, 2012 and 2011, respectively.

Common Stock Split

On August 13, 2012, we announced a three-for-two common stock split for shareholders of record as of the close of business on the record date, August 24, 2012. On September 7, 2012 those shareholders received one additional share of common stock for every two shares owned. In lieu of fractional shares, shareholders received a cash payment based on the average of the high and low sales prices of our common stock on the record date.

All references in this report to shares outstanding, weighted average shares outstanding and earnings per share amounts have been restated retroactively to reflect this stock split.

Fair Values of Financial Instruments

The carrying values of financial instruments, such as cash and cash equivalents, customer and other receivables and trade payables, approximate their fair value due to the short maturities of these instruments. The carrying value of our long-term debt was $191.4 million and $240.4 million at December 31, 2013 and 2012, respectively. The estimated fair value of our long-term debt was $196.5 million and $247.9 million at December 31, 2013 and 2012, respectively. The fair value measurement of our senior notes was determined using market interest rates for similar issuances of private debt. Since this methodology is based upon indicative market interest rates, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”). The fair value of our other long-term debt approximates carrying value.

Comprehensive Income

The Company has no components of other comprehensive income. Accordingly, net income equals comprehensive income for all periods presented in this report.

Earnings Per Share

Earnings per common share is computed using the weighted-average number of common shares outstanding during the period. There were no potentially dilutive shares outstanding at the end of each period presented in this report.

Supplemental Disclosure of Noncash Investing and Financing Activities

Investing and financing activities that are not reported in the Statements of Cash Flows due to their non-cash nature are summarized below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Acquisition of property and equipment by capital lease	$	—	$	1,094	$	8,570

In addition, during the fourth quarter of 2013, we completed a nonmonetary exchange of property. We acquired a service center with a fair value of $6.6 million, which resulted in a gain of $3.4 million. The resulting gain was recorded in "Miscellaneous expenses, net" on our Statements of Operations.

Recent Accounting Pronouncements

The FASB has issued various new accounting standards and updates during 2013 that are effective for future periods. We have evaluated these new standards and believe the adoption will not materially impact our financial condition or results of operations.

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Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Customer receivables, allowances	$ 8,067	$ 8,561
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	140,000,000	140,000,000
Common stock, shares outstanding	86,164,917	86,164,917

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Subsequent Events

12 Months Ended

Dec. 31, 2013

Subsequent Events [Abstract]

Subsequent Events

Note 11. Subsequent Events

Management evaluated all subsequent events and transactions through the issuance date of these financial statements, and concluded that no subsequent events or transactions have occurred that require recognition or disclosure in our financial statements.

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Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2013	Feb. 27, 2014	Jun. 28, 2013
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Trading Symbol	ODFL
Entity Registrant Name	OLD DOMINION FREIGHT LINE INC/VA
Entity Central Index Key	0000878927
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		86,164,917
Entity Public Float			$ 2,626,693,513
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes

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Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation And Qualifying Accounts

The Schedule II – Valuation and Qualifying Accounts schedule of Old Dominion Freight Line, Inc. is included below:

Schedule II

Old Dominion Freight Line, Inc.

Valuation and Qualifying Accounts

(In thousands)	Allowance for Uncollectible Accounts(1)
Year Ended December 31,	Balance at Beginning of Period		Charged to Expense		Deductions(2)		Balance at End of Period
2011	$	6,800	$	3,200	$	2,723	$	7,277
2012	$	7,277	$	2,123	$	2,118	$	7,282
2013	$	7,282	$	1,074	$	2,046	$	6,310

(1) This table does not include any allowances for revenue adjustments that result from billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments that are recorded in our revenue from operations.

(2) Uncollectible accounts written off, net of recoveries.

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Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenue from operations	$ 2,337,648	$ 2,134,579	$ 1,903,800
Operating expenses
Salaries, wages and benefits	1,170,773	1,066,551	956,079
Operating supplies and expenses	385,201	378,534	355,186
General supplies and expenses	69,765	58,908	49,900
Operating taxes and licenses	71,599	67,526	63,284
Insurance and claims	30,910	29,681	27,693
Communications and utilities	23,142	19,980	18,104
Depreciation and amortization	127,072	110,743	90,820
Purchased transportation	106,435	94,522	84,516
Building and office equipment rents	11,920	13,514	13,689
Miscellaneous expenses, net	2,393	9,366	10,457
Total operating expenses	1,999,210	1,849,325	1,669,728
Operating income	338,438	285,254	234,072
Non-operating expense (income)
Interest expense	9,620	11,541	14,067
Interest income	(147)	(113)	(180)
Other expense, net	279	728	101
Total non-operating expense	9,752	12,156	13,988
Income before income taxes	328,686	273,098	220,084
Provision for income taxes	122,573	103,646	80,614
Net income	$ 206,113	$ 169,452	$ 139,470
Earnings per share
Basic	$ 2.39	$ 1.97	$ 1.63
Diluted	$ 2.39	$ 1.97	$ 1.63
Weighted average shares outstanding
Basic	86,164,917	86,164,964	85,719,728
Diluted	86,164,917	86,164,964	85,719,728

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Related Person Transactions

12 Months Ended

Dec. 31, 2013

Related Party Transactions [Abstract]

Related Person Transactions

Note 6. Related Person Transactions

Family Relationships

Each of Earl E. Congdon, David S. Congdon and John R. Congdon, Jr. are related to one another and served in various management positions and/or on our Board of Directors during 2013. We have employment agreements with Earl E. Congdon and David S. Congdon, which are incorporated by reference as exhibits to our Annual Report on Form 10-K. We regularly disclose the amount of compensation that we pay to these individuals, as well as any of their family members employed by us and whose compensation from time to time may require disclosure, in the proxy statement for our Annual Meeting of Shareholders.

During 2012, John R. Congdon, who was the brother of Earl E. Congdon, resigned from his position as Senior Vice President. At that time, the Board of Directors and John R. Congdon mutually agreed to terminate his amended and restated employment agreement. He continued to be employed by the Company in a management position and as a member of our Board of Directors until his death in October 2013.

Transactions with Old Dominion Truck Leasing, Inc.

Old Dominion Truck Leasing, Inc. (“Leasing”) is a North Carolina corporation whose voting stock is beneficially owned by members of the Congdon family. Leasing is primarily engaged in the business of leasing tractors, trailers and other vehicles as well as providing contract dedicated fleet services. John R. Congdon served as Chairman of the Board of Leasing until October 2013 and was succeeded in that position by John R. Congdon, Jr. Earl E. Congdon and David S. Congdon currently serve as members of Leasing’s Board of Directors. Since 1986, we have combined our requirements with Leasing for the purchase of tractors, trailers, equipment, parts, tires and fuel. We believe that the termination of this arrangement would not have a material adverse impact on our financial results.

We purchased $299,000, $239,000 and $278,000 of maintenance and other services from Leasing in 2013, 2012 and 2011, respectively. We intend to continue to purchase maintenance and other services from Leasing, provided that Leasing’s prices continue to be favorable to us.

We charged Leasing $18,000, $18,000 and $18,000 for the rental of property in 2013, 2012 and 2011, respectively. No other services were provided to Leasing for the years ended December 31, 2013, 2012 and 2011.

Split-Dollar Life Insurance Policies

We owned two split-dollar life insurance contracts insuring the life of John R. Congdon that were terminated upon Mr. Congdon's death in October 2013. The death benefits under these policies totaled an aggregate of $9.3 million, of which we received $7.3 million in December 2013 and Mr. Congdon’s beneficiaries received $2.0 million. At December 31, 2012, the net cash surrender value for these policies totaled $6.8 million and was included on our Balance Sheet under the caption “Other Assets.”

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Income Taxes

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Income Taxes

Note 5. Income Taxes

The components of the provision for income taxes are as follows:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Current:
Federal	$	74,202	$	74,074	$	27,470
State	15,635		11,890		9,796
	89,837		85,964		37,266
Deferred:
Federal	28,593		14,978		39,934
State	4,143		2,704		3,414
	32,736		17,682		43,348
Total provision for income taxes	$	122,573	$	103,646	$	80,614

The following is a reconciliation of the U.S. statutory federal income tax rates with our effective income tax rates for 2013, 2012 and 2011:

	Year Ended December 31,
(In thousands)	2013			2012			2011
Tax provision at statutory rate	$	115,040		$	95,584		$	77,029
State income taxes, net of federal benefit	12,083			10,211			7,480
Meals and entertainment disallowance	872			828			721
Tax credits	(5,422		)	(2,609		)	(4,453		)
Other, net	—			(368		)	(163		)
Total provision for income taxes	$	122,573		$	103,646		$	80,614

Deferred tax assets and liabilities consist of the following:

	December 31,
(In thousands)	2013			2012
Deferred tax assets:
Claims and insurance reserves	$	35,200		$	32,499
Allowance for doubtful accounts	1,595			2,829
Accrued vacation	14,873			12,399
Deferred compensation	22,067			17,734
Other	10,648			9,764
Total deferred tax assets	84,383			75,225
Valuation allowance	(460		)	(559		)
Net deferred tax assets	83,923			74,666
Deferred tax liabilities:
Depreciation and amortization	(239,971		)	(197,875		)
Unrecognized revenue	(8,169		)	(8,171		)
Other	(1,651		)	(1,752		)
Total deferred tax liabilities	(249,791		)	(207,798		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

Our net deferred tax liability consists of the following:

	December 31,
(In thousands)	2013			2012
Current deferred tax asset	$	23,249		$	20,054
Noncurrent deferred tax liability	(189,117		)	(153,186		)
Net deferred tax liability	$	(165,868	)	$	(133,132	)

As of December 31, 2013, the Company had various state tax credit carryforwards of approximately $3.8 million that are scheduled to expire in five to fifteen years. The Company recorded a valuation allowance in the amount of $460,000 and $559,000 as of December 31, 2013 and 2012, respectively, due to the uncertainty of realization of these tax credits.

We are subject to U.S. federal income tax, as well as income tax of multiple state tax jurisdictions. We remain open to examination by the Internal Revenue Service for tax years 2010 through 2013. We remain open to examination by various state tax jurisdictions for tax years 2009 through 2013.

Changes in our liability for unrecognized tax benefits could affect our effective tax rate, if recognized, but we do not expect any material changes within the next twelve months. The Company's liability for unrecognized tax benefits was immaterial as of December 31, 2013 and 2012. Interest and penalties related to uncertain tax positions, which are immaterial, are recorded in our Provision for Income Taxes on our Statements of Operations.

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Leases (Tables)

12 Months Ended

Dec. 31, 2013

Leases, Operating [Abstract]

Future Minimum Annual Lease Payments

Future minimum annual lease payments for assets under operating leases as of December 31, 2013 are as follows:

(In thousands)	Total
2014	$	15,931
2015	10,833
2016	7,508
2017	5,684
2018	4,623
Thereafter	14,210
Total minimum lease payments	$	58,789

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Significant Accounting Policies (Policy)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Basis Of Presentation

Basis of Presentation

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Accounting Changes and Error Corrections [Text Block]

Prior Period Adjustments

During the second quarter of 2013, we determined that the costs of purchased transportation for certain truckload brokerage and international freight forwarding services, which were previously netted against revenue, met the criteria to be presented separately in operating expenses in accordance with Accounting Standards Codification ("ASC") Topic 605, Revenue Recognition. As a result, the accompanying Statements of Operations include correcting adjustments to increase both revenue and purchased transportation expense in the amounts of $24.1 million and $21.3 million for the years ended December 31, 2012 and 2011, respectively. There was no effect on retained earnings, operating income, net income, earnings per share or cash flows for any period presented.

Revenue And Expense Recognition

Revenue and Expense Recognition

We recognize revenue based upon when our transportation services have been completed in accordance with the bill of lading contract, our general tariff provisions or contractual agreements with our customers. Generally, this occurs when we complete the delivery of a shipment. For transportation services not completed at the end of a reporting period, we use a percentage of completion method to allocate the appropriate revenue to each separate reporting period. Under this method, we develop a factor for each uncompleted shipment by dividing the actual number of days in transit at the end of a reporting period by that shipment’s standard delivery time schedule. This factor is applied to the total revenue for that shipment and revenue is allocated between reporting periods accordingly.

Expenses are recognized when incurred.

Allowances For Uncollectible Accounts And Revenue Adjustments

Allowances for Uncollectible Accounts and Revenue Adjustments

We maintain an allowance for uncollectible accounts for estimated losses resulting from the inability of our customers to make required payments. We estimate this allowance by analyzing the aging of our customer receivables, our historical loss experience and other trends and factors affecting the credit risk of our customers. Write-offs occur when we determine an account to be uncollectible and could differ from our allowance estimate as a result of factors such as changes in the overall economic environment or risks surrounding our customers. Additional allowances may be required if the financial condition of our customers were to deteriorate, resulting in an impairment of their ability to make payments. We periodically review the underlying assumptions in our estimate of the allowance for uncollectible accounts to ensure that the allowance reflects the most recent trends and factors.

We also maintain an allowance for estimated revenue adjustments resulting from future billing corrections, customer allowances, money-back service guarantees and other miscellaneous revenue adjustments. These revenue adjustments are recorded in our revenue from operations. We use historical experience, trends and current information to update and evaluate these estimates.

Credit Risk

Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist principally of customer receivables. We perform initial and ongoing credit evaluations of our customers to minimize credit risk. We generally do not require collateral but may require prepayment of our services under certain circumstances. Credit risk is generally diversified due to the large number of entities comprising our customer base and their dispersion across many different industries and geographic regions.

Cash And Cash Equivalents

Cash and Cash Equivalents

We consider cash on hand and deposits in banks along with certificates of deposit and short-term marketable securities with original maturities of three months or less as cash and cash equivalents.

Property And Equipment

Property and Equipment

Property and equipment are stated at cost. Major additions and improvements are capitalized, while maintenance and repairs that do not improve or extend the lives of the respective assets are charged to expense as incurred. We capitalize the cost of tires mounted on purchased revenue equipment as a part of the total equipment cost. Subsequent replacement tires are expensed at the time those tires are placed in service.

Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the related assets. The following table provides the estimated useful lives by asset type: 

Structures	7 to 30 years
Revenue equipment	4 to 15 years
Other equipment	2 to 20 years
Leasehold improvements	Lesser of economic life or life of lease

Depreciation expense, which includes the amortization of capital leases, was $126.4 million, $109.8 million and $89.9 million for 2013, 2012 and 2011, respectively.

Goodwill And Other Intangible Assets

Goodwill and Other Intangible Assets

Intangible assets have been acquired in connection with business combinations and are comprised of goodwill and other intangible assets. Goodwill is calculated as the excess cost over the fair value of assets acquired and is not subject to amortization. We review our goodwill balance annually for impairment as a single reporting unit, unless circumstances dictate more frequent assessments, and in accordance with Accounting Standards Update (“ASU”) 2011-08, Testing Goodwill for Impairment. ASU 2011-08 permits an initial assessment, commonly referred to as "step zero", of qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount and also provides a basis for determining whether it is necessary to perform the two-step goodwill impairment test required by ASC Topic 350.

In the fourth quarter of 2013, we performed the qualitative assessment of goodwill and determined it was more likely than not that the fair value of our reporting unit would be greater than its carrying amount. Therefore, we determined it was not necessary to perform the two-step goodwill impairment test. Furthermore, there has been no historical impairment of our goodwill.

Other intangible assets include the value of acquired customer lists and related non-compete agreements and are amortized on a straight-line basis over their estimated useful lives, none of which exceeds ten years. The gross carrying amount of our other intangible assets totaled $8.1 million as of December 31, 2013 and 2012. Accumulated amortization for these assets was $6.4 million and $5.7 million as of December 31, 2013 and 2012, respectively. The net carrying amounts of our other intangible assets are included in “Other assets” on our Balance Sheets. Amortization expense was $0.7 million for 2013 and $0.9 million for 2012 and 2011, respectively. Annual amortization expense for the next five years for these intangible assets is estimated to be: 

(In thousands)
2014	$	695
2015	$	495
2016	$	315
2017	$	210
2018	$	8

Long-Lived Assets

Long-Lived Assets

We assess the realizable value of our long-lived assets and evaluate such assets for impairment whenever events or changes in circumstances indicate the carrying amount of an asset may not be recoverable.

Claims And Insurance Accruals

Claims and Insurance Accruals

At December 31, 2013, we maintained a self-insured retention ("SIR") of $2.75 million per occurrence for bodily injury and property damage ("BIPD") claims; a deductible of $100,000 per claim for cargo loss and damage; and a deductible of $1.0 million per occurrence for workers' compensation claims. We also had an SIR of $400,000 per occurrence (with a $400,000 aggregate over our retention level) for group health claims.

Claims and insurance accruals reflect the estimated cost of claims for cargo loss and damage, BIPD, workers' compensation, long-term disability, group health and group dental not covered by insurance. These accruals include amounts for future claims development and claims incurred but not reported, which are primarily based on historical claims development experience. The related costs for cargo loss and damage and BIPD are charged to insurance and claims expense, while the related costs for workers' compensation, long-term disability, group health and dental are charged to employee benefits expense.

Our liability for claims and insurance totaled $100.4 million and $93.5 million at December 31, 2013 and 2012, respectively. The long-term portions of those reserves were $61.6 million and $59.5 million for 2013 and 2012, respectively, which were included in “Other non-current liabilities” on our Balance Sheets.

Share Based Compensation

Share-Based Compensation

Awards of phantom stock to employees and directors are accounted for as a liability under ASC topic 718, Compensation - Stock Compensation. ASC topic 718 requires changes in the fair value of our liability to be recognized as compensation cost over the requisite service period for the percentage of requisite service rendered each period. Changes in the fair value of the liability that occur after the requisite service period are recognized as compensation cost during the period in which the changes occur. We remeasure the liability for the outstanding awards at the end of each reporting period based on the closing price of our common stock at that date, and the compensation cost is based on the change in fair value for each reporting period.

Advertising

Advertising

The costs of advertising our services are expensed as incurred and are included in “General supplies and expenses” on our Statements of Operations. Advertising costs charged to expense totaled $16.7 million, $11.0 million and $8.3 million for 2013, 2012 and 2011, respectively.

Common Stock Split

Comprehensive Income

The Company has no components of other comprehensive income. Accordingly, net income equals comprehensive income for all periods presented in this report.

Common Stock Split

On August 13, 2012, we announced a three-for-two common stock split for shareholders of record as of the close of business on the record date, August 24, 2012. On September 7, 2012 those shareholders received one additional share of common stock for every two shares owned. In lieu of fractional shares, shareholders received a cash payment based on the average of the high and low sales prices of our common stock on the record date.

All references in this report to shares outstanding, weighted average shares outstanding and earnings per share amounts have been restated retroactively to reflect this stock split.

Fair Values Of Financial Instruments

Fair Values of Financial Instruments

The carrying values of financial instruments, such as cash and cash equivalents, customer and other receivables and trade payables, approximate their fair value due to the short maturities of these instruments. The carrying value of our long-term debt was $191.4 million and $240.4 million at December 31, 2013 and 2012, respectively. The estimated fair value of our long-term debt was $196.5 million and $247.9 million at December 31, 2013 and 2012, respectively. The fair value measurement of our senior notes was determined using market interest rates for similar issuances of private debt. Since this methodology is based upon indicative market interest rates, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”). The fair value of our other long-term debt approximates carrying value.

Earnings Per Share

Earnings Per Share

Earnings per common share is computed using the weighted-average number of common shares outstanding during the period. There were no potentially dilutive shares outstanding at the end of each period presented in this report.

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Commitments And Contingencies

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

Note 9. Commitments and Contingencies

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business that have not been fully adjudicated, some of which are covered in part by insurance. Our management does not believe that these actions, when finally concluded and determined, will have a material adverse effect upon our financial position, liquidity or results of operations.

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Employee Benefit Plans

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Note 7. Employee Benefit Plans

Defined Contribution Plan

Substantially all employees meeting certain service requirements are eligible to participate in our 401(k) employee retirement plan. Employee contributions are limited to a percentage of their compensation, as defined in the plan. We make contributions based upon the greater of a percentage of employee contributions or ten percent of net income. Company contributions for 2013, 2012 and 2011 were $20.6 million, $16.9 million and $13.9 million, respectively.

Deferred Compensation Plan

We maintain a nonqualified deferred compensation plan for the benefit of certain eligible employees, including those whose contributions to the 401(k) employee retirement plan are limited due to provisions of the Internal Revenue Code. Participating employees may elect to defer receipt of a percentage of their compensation, as defined in the plan, and the deferred amount is credited to each participant’s deferred compensation account. The plan is not funded and the Company does not make a matching contribution to this plan. Although the plan is not funded, participants are allowed to select investment options for which their deferrals and future earnings are deemed to be invested. Participant accounts are adjusted daily to reflect participant deferrals and the performance of their deemed investments. The amounts owed to the participants totaled $36.6 million and $30.0 million at December 31, 2013 and 2012, respectively.

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Share-Based Compensation

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

Note 8. Share-Based Compensation

On October 30, 2012, our Board of Directors approved and we adopted the Old Dominion Freight Line, Inc. 2012 Phantom Stock Plan (the "2012 Phantom Stock Plan"). Under the 2012 Phantom Stock Plan, 1,000,000 shares of phantom stock may be awarded, each of which represents a contractual right to receive an amount in cash equal to the fair market value of a share of our common stock on the settlement date, which is the earliest of the date of the participant's (i) termination of employment for any reason other than for cause, (ii) death or (iii) total disability. Each award vests in 20% increments on the anniversary of the grant date provided that the participant (i) has been continuously employed by us since the grant date, (ii) has been continuously employed by us for ten years and (iii) has reached the age of 65. Vesting also occurs on the earliest of (i) a change in control, (ii) death or (iii) total disability. No shares of common stock will be issued pursuant to the 2012 Phantom Stock Plan, as the awards are settled in cash after the required vesting period has been satisfied and upon termination of employment. Unvested shares are forefeited upon termination of employment, although our Board of Directors has authority to modify and/or accelerate the vesting of awards. Our Board of Directors approved the initial grants under the 2012 Phantom Stock Plan at its January 2013 meeting.

On May 16, 2005, our Board of Directors approved, and the Company adopted, the Old Dominion Freight Line, Inc. Phantom Stock Plan, as amended effective January 1, 2009, May 18, 2009 and May 17, 2011 (the “Phantom Stock Plan” and together with the 2012 Phantom Stock Plan, the “Employee Phantom Plans”). The Phantom Stock Plan expired in May 2012; however, grants under the Phantom Stock Plan remain outstanding. Each share of phantom stock awarded to eligible employees under the Phantom Stock Plan represents a contractual right to receive an amount in cash equal to the fair market value of a share of our common stock on the settlement date, which generally is the earlier of the eligible employee’s (i) termination from the Company after reaching 55 years of age, (ii) death or (iii) total disability. No shares of common stock will be issued pursuant to the Phantom Stock Plan, as the awards are settled in cash after the required vesting period has been satisfied and upon termination of employment.

Phantom Stock Plan awards vest upon the earlier to occur of the following: (i) the date of a change of control in our ownership; (ii) the fifth anniversary of the grant date of the award, provided the participant is employed by us on that date; (iii) the date of the participant’s death while employed by us; (iv) the date of the participant’s total disability; or (v) the date the participant attains the age of 65 while employed by us. Awards that are not vested upon termination of employment are forfeited. If termination occurs prior to attaining the age of 55, all vested and unvested awards are generally forfeited unless the termination results from death or total disability. The Phantom Stock Plan does, however, provide the Board of Directors with discretionary authority to modify and/or accelerate the vesting of awards.

A summary of cash payments for settled shares and compensation costs recognized in “Salaries, wages and benefits” on our Statements of Operations for the Employee Phantom Plans is provided below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	1,404	$	1,077	$	519
Compensation costs	7,639		5,404		3,719

Unrecognized compensation cost for all unvested shares under the Employee Phantom Plans as of December 31, 2013 was $7.6 million based on the price of our common stock on that date.

On May 28, 2008, our Board of Directors approved, and the Company adopted, the Old Dominion Freight Line, Inc. Director Phantom Stock Plan, as amended on April 1, 2011 (the “Director Phantom Stock Plan” and together with the Employee Phantom Plans, the “Phantom Plans”). Under the Director Phantom Stock Plan, each non-employee eligible director shall be granted an annual award of phantom shares equal to $50,000 on the grant date. Prior to the 2011 grant, the annual award to each non-employee eligible director was equal to $30,000 on the grant date. For each vested share, participants are entitled to an amount in cash equal to the fair market value of a share of our common stock on the date that service as a director terminates for any reason. No shares of common stock will be issued pursuant to the Director Phantom Stock Plan, as the awards are settled in cash. Our Board of Directors approved the initial grant under this plan at its May 2008 meeting and have authorized grants annually thereafter.

Director Phantom Stock Plan awards vest upon the earlier to occur of the following: (i) the one-year anniversary of the grant date; (ii) the date of the first annual meeting of shareholders that occurs after the grant date provided the participant is still in service as a director; (iii) the date of a change of control in our ownership provided that the participant is still in service as a director; or (iv) the date of the participant’s death or total disability while still in service as a director. Awards that are not vested upon termination of service as a director are forfeited.

A summary of cash payments for settled shares and compensation costs recognized in “Miscellaneous expenses, net” on our Statements of Operations for the Director Phantom Stock Plan is provided below:

	Year Ended December 31,
(In thousands)	2013		2012		2011
Cash payments for settled shares	$	—	$	—	$	6
Compensation costs	1,214		989		513

Unrecognized compensation cost for all unvested shares under the Director Phantom Stock Plan as of December 31, 2013 was $0.2 million based on the price of our common stock on that date.

A summary of the changes in the number of outstanding phantom stock awards during the year ended December 31, 2013 for the Phantom Plans is provided below. Of these awards, 266,740 and 277,701 phantom shares were vested at December 31, 2013 and 2012, respectively.

	Employee Phantom Plans		Director  Phantom Stock Plan	Total
Balance of shares outstanding at December 31, 2012	467,627		60,356	527,983
Granted	92,120		7,161	99,281
Settled	(70,090	)	—	(70,090	)
Forfeited	—		—	—
Balance of shares outstanding at December 31, 2013	489,657		67,517	557,174

The liability for phantom stock awards under the Phantom Plans consists of the following:

	December 31,
(In thousands)	2013		2012
Employee Phantom Plans	$	20,210	$	13,976
Director Phantom Stock Plan	3,422		2,207
Total	$	23,632	$	16,183

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Quarterly Financial Information

12 Months Ended

Dec. 31, 2013

Selected Quarterly Financial Information [Abstract]

Quarterly Financial Information

Note 10. Quarterly Financial Information (Unaudited)

A summary of our unaudited quarterly financial information for 2013 and 2012 is provided below. Our tonnage levels and revenue mix are subject to seasonal trends common in the motor carrier industry. Financial results in the first quarter are normally lower due to reduced shipments during the winter months. Harsh winter weather can also adversely impact our performance by reducing demand and increasing operating expenses.

	Quarter
(In thousands, except per share data)	First		Second		Third		Fourth		Total
2013
Revenue (1)	$	538,416	$	590,304	$	616,458	$	592,470	$	2,337,648
Operating income	65,944		97,573		98,076		76,845		338,438
Net income	40,553		58,255		60,149		47,156		206,113
Net income per share:
Basic and diluted	0.47		0.68		0.70		0.55		2.39
2012
Revenue (1)	$	502,819	$	547,452	$	550,511	$	533,797	$	2,134,579
Operating income	54,218		82,588		80,932		67,516		285,254
Net income	31,095		47,832		51,044		39,481		169,452
Net income per share:
Basic and diluted	0.36		0.56		0.59		0.46		1.97

(1) Our 2012 and first quarter of 2013 revenue has been adjusted for an immaterial correction related to how we present the costs of purchased transportation for certain truckload brokerage and international freight forwarding services. For more information on these adjustments, see Note 1.

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Shareholders' Equity (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity Note [Abstract]
Maximum offering price under ATM program	$ 100,000,000
Aggregate Number of Shares Sold	2,275
Aggregate Gross Proceeds	49,575,000
Aggregate Net Proceeds	$ 48,400,000	$ 0	$ 0	$ 48,400,000
Average Sales Price Per Share	$ 21.79
Stock issuance program, expiry date			February 2, 2012

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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule Of Long-Term Debt

Long-term debt consisted of the following:

	December 31,
(In thousands)	2013			2012
Senior notes	$	191,429		$	227,143
Revolving credit facility	—			10,000
Capitalized lease and other obligations	—			3,264
Total long-term debt	191,429			240,407
Less: Current maturities	(35,715		)	(38,978		)
Total maturities due after one year	$	155,714		$	201,429

Aggregate Maturities Of Long-Term Debt

As of December 31, 2013, aggregate maturities of long-term debt are as follows:

(In thousands)
2014	$	35,715
2015	35,714
2016	25,000
2017	—
2018	50,000
Thereafter	45,000
	$	191,429

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Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2013

Selected Quarterly Financial Information [Abstract]

Schedule Of Quarterly Financial Information

	Quarter
(In thousands, except per share data)	First		Second		Third		Fourth		Total
2013
Revenue (1)	$	538,416	$	590,304	$	616,458	$	592,470	$	2,337,648
Operating income	65,944		97,573		98,076		76,845		338,438
Net income	40,553		58,255		60,149		47,156		206,113
Net income per share:
Basic and diluted	0.47		0.68		0.70		0.55		2.39
2012
Revenue (1)	$	502,819	$	547,452	$	550,511	$	533,797	$	2,134,579
Operating income	54,218		82,588		80,932		67,516		285,254
Net income	31,095		47,832		51,044		39,481		169,452
Net income per share:
Basic and diluted	0.36		0.56		0.59		0.46		1.97

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Income Taxes (Schedule Of Net Deferred Tax Liability) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Current deferred tax asset	$ 23,249	$ 20,054
Noncurrent deferred tax liability	(189,117)	(153,186)
Net deferred tax liability	$ (165,868)	$ (133,132)

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Statements Of Changes In Shareholders' Equity (USD $) In Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Capital In Excess Of Par Value [Member]
Balance at Dec. 31, 2010	$ 668,649	$ 8,389	$ 574,030	$ 86,230
Balance, in shares at Dec. 31, 2010		83,891
Net income	139,470		139,470
Issuance and sale of common stock, shares		2,274
Stock Issued During Period, Value, New Issues	48,400	227		48,173
Balance at Dec. 31, 2011	856,519	8,616	713,500	134,403
Balance, in shares at Dec. 31, 2011		86,165
Net income	169,452		169,452
Adjustments to Additional Paid in Capital, Other	(2)			(2)
Balance at Dec. 31, 2012	1,025,969	8,616	882,952	134,401
Balance, in shares at Dec. 31, 2012		86,165
Net income	206,113		206,113
Balance at Dec. 31, 2013	$ 1,232,082	$ 8,616	$ 1,089,065	$ 134,401

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Leases

12 Months Ended

Dec. 31, 2013

Leases, Operating [Abstract]

Leases

Note 4. Leases

We lease certain assets under operating leases, which primarily consist of real estate leases for 63 of our 221 service center locations at December 31, 2013. Certain operating leases provide for renewal options, which can vary by lease and are typically offered at their fair rental value. We have not made any residual value guarantees related to our operating leases; therefore, we have no corresponding liability recorded on our Balance Sheets.

Future minimum annual lease payments for assets under operating leases as of December 31, 2013 are as follows:

(In thousands)	Total
2014	$	15,931
2015	10,833
2016	7,508
2017	5,684
2018	4,623
Thereafter	14,210
Total minimum lease payments	$	58,789

Aggregate expense under operating leases was $17.9 million, $19.1 million and $19.5 million for 2013, 2012 and 2011, respectively. Certain operating leases include rent escalation provisions, which we recognize as expense on a straight-line basis.

We did not have any assets under capital leases at December 31, 2013. At December 31, 2012, we leased certain information systems under capital leases with a gross carrying value of $9.9 million and accumulated amortization of $2.3 million.

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Significant Accounting Policies (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended
	Sep. 07, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Line Items]
PriorPeriodAdjustment			$ 24,100,000	$ 21,300,000
Stockholders' Equity Note, Stock Split, Conversion Ratio	1.5
Debt and Capital Lease Obligations		191,429,000	240,407,000
Depreciation expenses including capital leases		126,400,000	109,800,000	89,900,000
Other intangible assets		8,100,000	8,100,000
Accumulated amortization of intangible assets		6,400,000	5,700,000
Amortization expense		700,000	900,000	900,000
Self-insurance reserve		100,400,000	93,500,000
Long-term portions of self insurance reserve		61,600,000	59,500,000
Advertising expense		16,700,000	11,000,000	8,300,000
Company-owned life insurance contracts			6,800,000
Long-term Debt, Fair Value		196,500,000	247,900,000
Group Health Claims [Member]
Significant Accounting Policies [Line Items]
Insurance maximum, per occurrence		400,000
Self insurance additional coverage		400,000
Workers Compensation Claims [Member]
Significant Accounting Policies [Line Items]
Insurance maximum, per occurrence		1,000,000
Cargo Loss And Damage Claims [Member]
Significant Accounting Policies [Line Items]
Insurance maximum, per occurrence		100,000
Bodily Injury And Property Damage [Member]
Significant Accounting Policies [Line Items]
Insurance maximum, per occurrence		$ 2,750,000

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Income Taxes (Components Of The Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Federal	$ 74,202	$ 74,074	$ 27,470
State	15,635	11,890	9,796
Total current income tax expense (benefit)	89,837	85,964	37,266
Federal	28,593	14,978	39,934
State	4,143	2,704	3,414
Total deferred income tax expense (benefit)	32,736	17,682	43,348
Total provision for income taxes	$ 122,573	$ 103,646	$ 80,614

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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Estimated Useful Lives Of Property And Equipment

Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the related assets. The following table provides the estimated useful lives by asset type: 

Structures	7 to 30 years
Revenue equipment	4 to 15 years
Other equipment	2 to 20 years
Leasehold improvements	Lesser of economic life or life of lease

Expected Amortization Expenses For Intangible Assets

Annual amortization expense for the next five years for these intangible assets is estimated to be: 

(In thousands)
2014	$	695
2015	$	495
2016	$	315
2017	$	210
2018	$	8

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Year Ended December 31,
(In thousands)	2013		2012		2011
Acquisition of property and equipment by capital lease	$	—	$	1,094	$	8,570