•Last Sat, the fire at the PG&E Substation knocked out power to around one third of the residents in parts of San Francisco
•Waymo, the popular Robotaxi service from Alphabet ( Google’s parent) operates a fleet of around 2,500 Robotaxis in the bay area.
•Traffic Signals went dark and these driverless cars in the affected areas had navigation problems
•Many of these cars were stalled and stranded at intersections further exacerbating the traffic snarls and jams
The promise of driverless robotaxis has long been tied to a vision of safer roads, reduced congestion, lower emissions, and round-the-clock urban mobility. Cities like San Francisco have been at the forefront of this transformation, serving as real-world laboratories for autonomous vehicle (AV) deployment. However, the recent power outage in San Francisco — which disrupted traffic signals, communication networks, and parts of digital infrastructure — has once again raised a critical question: Should the expansion of driverless robotaxis continue at the current pace, or is a strategic pause needed to reassess risks and readiness?
Power Outages: A Reality Check for Autonomous Mobility
Autonomous vehicles depend heavily on a complex ecosystem — high-definition maps, sensors, cloud connectivity, GPS signals, traffic infrastructure, and uninterrupted power supply. While robotaxis are designed with redundancies, large-scale power outages expose systemic vulnerabilities beyond the vehicle itself.
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