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In an abandoned lot on the outskirts of Sacramento, Calif., R1, a domed gray vehicle half the size of a Toyota Corolla, is practicing driving itself. It stops at stop signs, yields to people, and handles sharp turns, as other self-driving vehicles do on test courses in Silicon Valley, Detroit, and China.

General Motors Co. and Alphabet Inc.’s Waymo rocked the auto industry last week with self-driving deals that will have each deploying thousands of robo-taxis onto U.S. roads over the next 18 months. Ford Motor Co., meanwhile, will continue biding its time.

As truck makers and technology developers work toward introducing vehicles with some level of automated driving features in the years ahead, it will be essential for drivers to have a clear understanding of what those systems can and cannot do and how much they can rely on them.

Consumer trust in self-driving cars has plummeted after high-profile roadway fatalities, with almost three-quarters of Americans now saying they are too afraid to ride in an autonomous vehicle, according to a new survey.

Downtown Las Vegas is under construction. The consistent rise in tourism and population persuaded city and state officials to invest in wider roadways, additional transit and walkability options, and improve connectivity across freight corridors.

Uber believes its self-driving software that chooses how to react when it detects objects in the roadway is the cause behind a fatal collision between one of its vehicles and a pedestrian.

FRISCO, Texas — The nation’s first self-driving car service for the public will begin here in July.

The late snowfalls in Minnesota this year might help autonomous vehicle developers save lives.

A fleet of 30 driverless BMW 5 Series vehicles is about to hit the streets of Las Vegas.

A series of high-profile accidents involving self-driving cars is slowing the mad rush into the autonomous-vehicle business, according to a report issued May 2.