Old Dominion Freight Line, Inc. The Power of One Source = The Power of OD

2006 NEWS & PRESS RELEASES

Old Dominion Freight Line To Participate In The
Raymond James 27th Annual Institutional Investors Conference

Panel Discussion to be Broadcast Live on the Web

CONTACT: J. Wes Frye
Senior Vice President - Finance and Chief Financial Officer
(336) 822-5305

THOMASVILLE, N.C. (March 6, 2006) ─ Old Dominion Freight Line, Inc. (NASDAQ: ODFL) today announced that David S. Congdon, President and Chief Operating Officer, and J. Wes Frye, Senior Vice President, Finance and Chief Financial Officer, will participate in a panel discussion on Wednesday, March 8, 2006, at the Raymond James 27th Annual Institutional Investors Conference in Orlando, Florida. The panel discussion will begin at approximately 1:05 p.m. Eastern Time. There will be an on-line webcast of the panel discussion, which can be accessed at www.wsw.com. Please go to the site at least 15 minutes prior to the presentation to download and install any necessary audio software.

Old Dominion Freight Line, Inc. is a less-than-truckload multi-regional motor carrier providing one-to-five day service among five regions in the United States and next-day and second-day service within these regions. Through its four product groups, OD-Domestic, OD-Expedited, OD-Global and OD-Technology, the Company offers an array of innovative products and services that provide direct service to 44 states within the Southeast, South Central, Northeast, Midwest and West regions of the country, including 33 states within which it provides full-state coverage. In addition, through marketing and carrier relationships, Old Dominion provides service to and from the remaining states as well as international services around the globe.