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Self-driving truck company TuSimple Holdings has disclosed more details about plans to reduce its workforce by 30% — including that it will eliminate 151 jobs in San Diego.

Amazon.com Inc. violated federal labor law by unilaterally changing policies and terminating union supporters at its sole unionized warehouse, U.S. labor board prosecutors allege.

Investigators looking into the collapse of a Pittsburgh bridge want transportation officials nationwide to examine more than 10,000 other bridges with similar construction.

Transportation leaders from government and industry are closely watching labor negotiations, including pending contracts with workers from both UPS Inc. and Yellow Corp.

A tentative agreement covering longshore workers at the largest U.S. ports is within reach after a year of negotiations between the union and employers, according to Stephen Lyons.

A group of suburban Chicago communities is appealing the federal approval of the Canadian Pacific-Kansas City Southern merger that is expected to bring more freight trains to the area.

OMAHA, Neb. — Tens of thousands of engineers remain frustrated with the lack of paid sick time and the demands railroads like BNSF are making in negotiations.

The global trading system is undergoing tectonic shifts spurred by shortages, price spikes and shipping disruptions that will reorient international supply chains for decades to come.

California’s five container ports have agreed to develop a $27 million, high-tech supply chain infrastructure using a computer cloud to share data and cargo flow information.

Weeks after the California Air Resources Board approved a rule to limit rail pollution, the Pacific Harbor Line on May 4 unveiled one of the nation’s most advanced zero-emission locomotives.