LETTER 1 filename1.txt Mail Stop 3651 May 10, 2006 Via U.S. Mail and Facsimile Earl E. Congdon Chief Executive Officer Old Dominion Freight Line, Inc. 500 Old Dominion Way Thomasville, NC 27360 RE: Old Dominion Freight Line, Inc. Form 10-K for the Fiscal Year Ended December 31, 2004 Form 10-K for the Fiscal Year Ended December 31, 2005 File No. 000-19582 Dear Mr. Congdon: We have completed our review of your Form 10-K and related filings and do not, at this time, have any further comments. Sincerely, Joe Foti Senior Assistant Chief Accountant Via facsimile: Wes Frye, Senior Vice President - Finance (336) 822-5289 Earl E. Congdon Old Dominion Freight Line, Inc. May 10, 2006 Page 2