Basis of Presentation

6 Months Ended

Jun. 30, 2011

Basis of Presentation [Abstract]

Basis of Presentation

Note 1. Basis of Presentation

Swift Transportation Company (formerly Swift Corporation) is the holding company for Swift Transportation Co., LLC (a Delaware limited liability company, formerly Swift Transportation Co., Inc., a Nevada corporation) and its subsidiaries (collectively, “Swift Transportation Co.”), a truckload carrier headquartered in Phoenix, Arizona, and Interstate Equipment Leasing, LLC (“IEL”) (all the foregoing being, collectively, “Swift” or the “Company”). The Company operates predominantly in one industry, road transportation, throughout the continental United States and Mexico and has only one reportable segment. At June 30, 2011, the Company operated a national terminal network and a tractor fleet of approximately 16,900 units comprised of 12,800 company tractors and 4,100 owner-operator tractors, a fleet of 49,300 trailers, and 5,700 intermodal containers.

In the opinion of management, the accompanying financial statements prepared in accordance with United States generally accepted accounting principles (“GAAP”) include all adjustments necessary for the fair presentation of the interim periods presented. These interim financial statements should be read in conjunction with the Company’s annual financial statements for the year ended December 31, 2010. Management has evaluated the effect on the Company’s reported financial condition and results of operations of events subsequent to June 30, 2011 through the issuance of the financial statements.