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AII-1001-37073
ConfirmedA court, a regulator or the organization itself has stated the core facts, or the record cites a court or regulator source.Supporting sources are pending verification.

Waymo autonomous car pulled over for illegal U-turn in San Bruno

A Waymo autonomous vehicle performed an illegal U-turn in front of police in San Bruno, California during a DUI enforcement operation, but officers could not issue a citation because no driver was present and California lacks legal provisions for ticketing driverless vehicles. The incident revealed a regulatory gap in traffic enforcement for autonomous vehicles.

29 September 2025 Β· Waymo Β· Governance, accountability and labour
29 September 2025
AII-1001-37073
Quick facts
Category
Governance, accountability and labour
Country
United States
Date
29 September 2025
Drafted by
Raidu Incident Detection

What happened

During a DUI enforcement operation in San Bruno, California, police officers observed a Waymo autonomous vehicle make an illegal U-turn at a traffic light.

Officers pulled over the vehicle and discovered it had no driver. Police contacted Waymo, which was operating the vehicle.

Reported impact

Officers could not issue a citation because there was no driver and California state law does not yet permit citations for autonomous vehicles.

Police noted their citation books had no provision for ticketing a robot and described the situation as a first time for law enforcement.

Index analysis

The incident exposed a legal gap in traffic enforcement for autonomous vehicles operating without a driver present.

Waymo stated its autonomous driving system was designed to respect traffic laws and said it was investigating the incident, with hopes that reprogramming would prevent future illegal moves.

Classification

Category
Governance, accountability and labour
Industry
Mobility and autonomous vehicles
Country
United States
Harm status
Potential harm
Intent
Unintentional
Timing
Post-deployment
Harm types
Other
Failure modes
Unsafe autonomous behaviour
Consequences
None recorded
AI systems
Waymo autonomous driving system

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

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