Union Pacific Corp. said Thursday its second-quarter profit rose 19%, on higher demand for agricultural transportation.

Eastern freight railroad Norfolk Southern Corp. said its second-quarter profit rose 15%, as higher revenue per shipment offset an overall drop in traffic and record fuel prices.

Transportation and third-party logistics firm C.H. Robinson Worldwide said its second-quarter profit rose to $90.4 million, or 52 cents a share, from $82.3 million, or 47 cents, a year ago.

Sterling Trucks plans to eliminate one of two shifts and lay off 720 workers in Ontario in November, the Canadian Press reported Thursday.

Nicole Nason, administrator of the National Highway Traffic Safety Administration, told Transportation Secretary Mary Peters she plans to leave the agency in August, the Associated Press reported.

To boost lagging enrollments in the Transportation Worker Identification Credential program at Southern California ports, the Port of Los Angeles has opened a new enrollment center close to the adjacent Port of Long Beach.

It is disappointing to see that the 21st Century Truck Partnership is foundering, the victim of insufficient funding and questionable research priorities, according to a new report from the National Academy of Sciences.