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Old Dominion Freight Line said its third-quarter net income rose 16.7% to $23.4 million, or 63 cents a share, from $20 million, or 54 cents, a year ago.

Con-way Inc. said its third-quarter net income increased to $38.8 million, or 81 cents per share, from $37.3 million, or 78 cents, a year earlier.

Truckload carrier Knight Transportation’s third-quarter profit rose to $16.1 million, or 19 cents a share, from $14.5 million, or 17 cents, a year ago.

Truck dealership Rush Enterprises’ third-quarter net income fell to $8 million, or 21 cents a share, down from $13.1 million, or 34 cents, a year ago.

NEW ORLEANS — Fleet executives said that despite the benefits of using safety technology, attitudes within the industry need to change in order to have wider acceptance.

The Justice Department filed an amicus brief in support of American Trucking Associations’ challenge to the Ports of Los Angeles and Long Beach’s port concession plans.

Arkansas Best Corp.’s third-quarter net income fell to $15.4 million, or 61 cents a share, from $18.9 million, or 75 cents, a year ago.

Vitran Corp. said Wednesday its third-quarter profit fell to $2.1 million, or 15 cents a share, from $3.1 million, or 23 cents, a year earlier.

Norfolk Southern Corp.’s third-quarter profit jumped 35%, the railroad said late Tuesday.