January
20, 2009
Securities
and Exchange Commission
Judiciary
Plaza
450 Fifth
Street, N.W.
Washington,
D.C. 20549
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Re:
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Old
Dominion Freight Line, Inc.
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Ladies
and Gentlemen:
Pursuant
to General Instruction 7 to Form 3 (Initial Statement of Beneficial Ownership),
Form 4 (Statement of Changes in Beneficial Ownership) and Form 5 (Annual
Statement of Changes in Beneficial Ownership) promulgated by the Securities and
Exchange Commission pursuant to Section 16 of the Securities Exchange Act of
1934, the undersigned director, officer and/or shareholder of Old Dominion
Freight Line, Inc. (the "Company") hereby authorizes and designates David S.
Congdon, Joel B. McCarty, Jr. and J. Wes Frye, and each of them, to execute and
file with the Commission on the undersigned's behalf any and all statements on
Form 3, Form 4 or Form 5 relating to the undersigned's beneficial ownership of
securities of the Company as required by Section 16(a) of the Securities
Exchange Act of 1934 and the rules of the Commission promulgated
thereunder. This authorization and designation shall be effective for
so long as the undersigned remains subject to the provisions of Section 16 of
the Securities Exchange Act of 1934.
Effective
as of the 20th day of January, 2009.
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/s/ John B. Yowell
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John
B. Yowell
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