San Francisco has launched an autonomous shuttle service — less than a week after California regulators approved the expansion of robotaxis despite traffic and safety concerns…

“Trained operators are going to be required even as we increase automation,” said Nikolas Martelaro, autonomous-vehicle researcher at Carnegie Mellon University. “So the question there may not be how worried should someone be about losing their job versus what should they be thinking about the potential training that’s required.”

Autonomous driving technology could make buses safer, but requiring drivers or attendants on-board could undermine one of their perceived advantages: reduced labor costs.

“We still have to find a market for them,” said Art Guzzetti, vice president at the American Public Transportation Association. “We’re doing it to make the trip better, more efficient, not to take the worker’s job.”