Attached files
file | filename |
---|---|
EX-32.2 - SECTION 906 CFO CERTIFICATION - OLD DOMINION FREIGHT LINE, INC. | odfl-ex322_6.htm |
EX-32.1 - SECTION 906 CEO CERTIFICATION - OLD DOMINION FREIGHT LINE, INC. | odfl-ex321_10.htm |
EX-31.2 - SECTION 302 CFO CERTIFICATION - OLD DOMINION FREIGHT LINE, INC. | odfl-ex312_7.htm |
EX-31.1 - SECTION 302 CEO CERTIFICATION - OLD DOMINION FREIGHT LINE, INC. | odfl-ex311_8.htm |
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