PITTSBURGH — Uber riders in Pittsburgh can get a glimpse of the future by summoning a car capable of handling most of the tasks of driving on its own.

Starting Wednesday morning, a fleet of self-driving Ford Fusions will pick up Uber riders who opted to participate in a test program. While the vehicles are loaded with features that allow them to navigate on their own, an Uber engineer will sit in the driver’s seat and seize control if things go awry.

Uber’s test program is the latest move in an increasingly heated race between tech companies in Silicon Valley and traditional automakers to perfect fully driverless cars for regular people. Competitors such as Volvo and Google have invested hundreds of millions of dollars and logged millions of miles test driving autonomous vehicles, but Uber is the first company in the U.S. to make self-driving cars available to the general public.

“That pilot really pushes the ball forward for us,” said Raffi Krikorian, Director of Uber Advanced Technologies Center (ATC) in Pittsburgh, the company’s main facility for testing self-driving vehicles.