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Cars can transmit information in real time to other cars and the various sensors posted along a road. The overarching objective is to dramatically curb roadway deaths and serious injuries.

For the second straight year, California lawmakers forwarded legislation to the governor that would require drivers to be in the cab during the testing of autonomous heavy trucks in the state.

Driver experiences and crashes involving Tesla's "Full Self-Driving" system have drawn the attention of federal regulators.

USDOT released a plan to promote the advancement of a developing technology enabling vehicles and road infrastructure to communicate with each other to improve safety.

DETROIT — Authorities in Washington have determined that a Tesla that hit and killed a motorcyclist near Seattle in April was operating on the company’s “Full Self Driving” system.

A Truist Securities analyst with a hold rating on Tesla’s stock wrote that he narrowly avoided a crash when he test-drove one of the carmaker’s vehicles and used its driver-assistance system.

Drivers whose trucks are sidelined along a busy highway with service issues have for decades been required to place warning triangles behind the trailer to alert oncoming traffic.

Cruise is targeting a return to running fully autonomous rides later this year and possibly charging fares by early 2025, said people familiar with the matter.

Regulators are delaying until 2025 a supplemental heavy-duty truck speed limiter proposed rule, an automatic emergency braking final rule and a proposed new truck driver seizure standard.

BEIJING — A driverless ride-hailing car in China hit a pedestrian, and people on social media are taking the carmaker’s side because the person was reportedly crossing against the light.