San Francisco asks California regulators to halt or slow the rollout of driverless ta

San Francisco city officials have sent letters to the California Public Utilities Commission (CPUC) asking to slow or halt the expansion of Cruise and Waymo robotaxi services in the city, NBC News has reported. San Francisco Transportation Authority (SFTA) officials wrote that unlimited expansion would be "unreasonable" in light of recent safety incidents in which vehicles blocked traffic and interfered with emergency vehicles.