The accident prompted the closure of all southbound lanes of Interstate 5 in Pierce County near Mounts Road, the Washington State Department of Transportation said on its website.

It only took a few hours for the first self-driving taxi shuttling people around Las Vegas to collide with a vehicle being driven by a human doing something it didnt expect.

The states Department of Motor Vehicles on Wednesday released revisions to regulations proposed in March to allow such autonomous car testing on public roads, which could take effect by next June.

Traffic fatalities in the U.S. rose for the second-straight year in 2016 despite a dip in crash deaths linked to distracted driving, according to data released by federal highway safety regulators.

Fiat Chrysler maintains the vehicles do not contain a defect and comply with federal safety requirements.

Unlike with drunk or distracted driving, there are no national programs to boost public awareness about the risks of speeding, a NTSB report says.

Congress took the first step toward setting rules for self-driving cars.

Air bags could explode in a crash despite using a chemical additive to ensure their safety.