The self-driving taxi company also said its vehicles were in the wrong place at the wrong time in Los Angeles after protesters set fire to several of the cars there.

Waymo has captured 27% of San Francisco's rideshare market in 20 months, indicating rapid acceptance of self-driving technology. This growth suggests that autonomous vehicles may become mainstream faster than anticipated.

New data shows that the self-driving car service has captured more than a quarter of the city’s rideshare market in just 20 months.