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Waymo Briefly Halts San Francisco Robotaxis on Flood Warning, Then Resumes Service

Flash flood warnings prompted the step after a PG&E substation fire blackout exposed system limits.

Overview

  • Waymo told KTVU it temporarily paused Bay Area rides due to a National Weather Service flash flood warning and later brought service back online under its safety protocols.
  • Customer alerts in the app flagged the pause as the National Weather Service extended a flood watch for the region through Friday evening.
  • The move follows a Dec. 20 PG&E substation fire that cut power to about one-third of San Francisco and darkened traffic signals.
  • During that outage, multiple Waymo vehicles stalled at dark intersections, videos showed, prompting congestion and fresh safety questions from local officials and the public.
  • Waymo says it is rolling out a fleet-wide software update and revised procedures to help cars navigate regional outages without overloading remote assistance, even as it operates robotaxis in five U.S. markets.