Driverless vehicles? Even in D.C. streets? An autonomous car takes a capital test run.

“We’ve tested this vehicle in many areas, and this area is pretty difficult,” Jarrod Snider says, dropping his hands from the wheel as the computers take over again. “We think it’s doing a pretty good job. ”

“But we have more work to do,” Raj Rajkumar, the Carnegie Mellon professor who directs the project, says from the back seat.