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United StatesSecurity Affairs
United StatesSecurity AffairsWaymo suspends service after power outage hit San Francisco
Monday, December 22, 2025
What
Waymo's autonomous robotaxi service was temporarily halted due to a significant power outage in San Francisco, which caused multiple vehicles to stall in traffic. The outage began at 1:09 p.m. and peaked two hours later, affecting traffic signals and possibly mobile networks, complicating the situation for the self-driving cars. As a result, Waymo's operations were disrupted, leading to traffic congestion and public concerns about the reliability of autonomous vehicles during emergencies.
Where
San Francisco, California, USA
When
The power outage occurred on December 21, 2025, with Waymo suspending services shortly thereafter.
Key Factors
- •Power outage caused by a fire at a Pacific Gas & Electric substation
- •Disruption of traffic signals affecting autonomous vehicle navigation
- •Public demonstration of the vulnerabilities of autonomous systems during infrastructure failures
Takeaways
- →Autonomous vehicle systems must have robust contingency plans for power outages and infrastructure failures.
- →The incident highlights the need for improved integration between autonomous vehicles and urban infrastructure.
- →Companies should assess the resilience of their technology against utility disruptions.
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