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The Federal Motor Carrier Safety Administration’s long-awaited Drug and Alcohol Clearinghouse experienced connectivity issues during its opening days.

The Minnesota Department of Transportation has awarded $18 million to support five highway projects that are meant to spur economic development and smooth the flow of traffic.

Secretary Elaine Chao, the country’s top transportation officer, is scheduled to deliver keynote remarks at the Transportation Research Board’s annual meeting chair’s luncheon Jan. 15.

DETROIT — Three crashes involving Teslas that killed three people have increased scrutiny of the company’s Autopilot driving system just months before CEO Elon Musk has planned to put fully self-driving cars on the streets.

NEW YORK — U-Haul said that it won’t hire nicotine users in the 21 states where it is legal to do so, saying that it wants to ensure a “healthier workforce.”

California has authorized the testing and commercial use of light-duty autonomous delivery vehicles on public roads.

NORTH HAVEN, Conn. — Guess who’s getting used to working with robots in their everyday lives? The very same warehouse workers once predicted to be losing their jobs to mechanical replacements.

The Federal Motor Carrier Safety Administration is increasing the minimum annual percentage rate for random controlled substances testing for truck drivers.

Tolls on motorists entering midtown Manhattan promise to alter everyday life for millions of people in the most populous U.S. city. Yet with the fees slated to begin in a year, the panel empowered to set pricing and other policies has yet to be created.

Despite some cautionary notes, public comment on a National Highway Traffic Safety Administration advanced notice of proposed rulemaking largely favored permitting camera-based, rear-visibility systems to replace mirrors on light vehicles and heavy trucks.