Waymo vehicles are operating again in San Francisco following a power outage

Waymo has resumed its robo-taxi service in San Francisco after a power outage stranded vehicles around the city, CNBC reported. The blackout, caused by a Pacific Gas & Electric (PG&E) substation fire, caused traffic light disruptions that affected Waymo's automated driving systems.

"Yesterday’s power outage was a widespread event that caused gridlock across San Francisco, with non-functioning traffic signals and transit disruptions," a Waymo spokesperson told CNBC in a statement. "While the failure of the utility infrastructure was significant, we are committed to ensuring our technology adjusts to traffic flow during such events."

Following the outage, which began at around 1:09 PM Saturday and peaked around two hours later, Waymo responded by suspending its ride-hailing services in the city. However, images and videos on social media showed the autonomous taxis stopped at intersections with hazard lights on.

The company blamed its disruption on the size of ...