Alphabet's robotaxi service in San Francisco was halted due to a power outage affecting approximately 7,000 PG&E customers. Waymo announced that operations resumed after about one hour of temporary pause. The incident highlights vulnerabilities of autonomous vehicles during emergencies and has prompted the city's mayor to call for stricter regulations.
Unexpected blackout disrupts Waymo robotaxis
On July 18, 2026, a power outage struck a large area of San Francisco, leaving thousands of residents without electricity and temporarily paralyzing Waymo's robotaxi service. The Alphabet-owned company informed customers via social media that service was "temporarily paused" and that "freeway routes are unavailable." According to a spokesperson, Waymo decided to stop rides for about one hour to assess the impact of the blackout and coordinate with local officials. This is not the first such incident; in the past, Waymo vehicles stalled during a December blackout and a similar event paralyzed traffic during Fourth of July fireworks.
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Mayor Lurie calls for new autonomous vehicle rules
The fragility of the service in emergency situations has led San Francisco Mayor Daniel Lurie to demand stricter state regulations. Lurie stated that it is necessary to establish how autonomous vehicles should behave during major incidents, whether planned or unexpected. This intervention comes amid increasing scrutiny of robotaxi reliability, especially in a tech-forward city like San Francisco. The blackout highlighted the dependence of autonomous fleets on the power grid, a critical factor that could slow service expansion.
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Comparison with other incidents and future implications
The phenomenon is not isolated. Studies such as the one conducted by Princeton University have shown that AI models can develop hiring biases more readily than humans, raising doubts about AI reliability in critical contexts. Although autonomous driving is a different field, the issue of algorithm robustness in abnormal situations remains central. Waymo demonstrated a quick reaction, but the one-hour pause caused inconvenience for many users. The company resumed service after verifying conditions, but consumer confidence may waver. To explore AI challenges in other areas, read our article on AI hiring biases.
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Service resumption and user reactions
After coordinating with PG&E and authorities, Waymo gradually reactivated its fleet. Passengers who had booked rides received cancellation notifications and were directed to alternatives. On social media, many users expressed frustration but also understanding for the precaution. A spokesperson confirmed that no vehicles got stuck during the blackout, thanks to the prompt suspension. However, the episode raises questions about the resilience of charging and communication infrastructure in case of widespread events. For more details, refer to authoritative sources like TechCrunch.
Source: https://techcrunch.com/2026/07/18/waymo-appears-to-pause-san-francisco-service-amidst-power-outage
