San Francisco Mayor Daniel Lurie is calling on California regulators to impose stricter statewide standards for autonomous vehicles after dozens of Waymo robotaxis stalled and blocked city streets during a July 4, 2026 fireworks event, in one of the most disruptive incidents yet for the driverless service.
July 4, 2026 · San Francisco
Dozens of Waymo Robotaxis Stall and Block City Streets During Fireworks
Near the Golden Gate Bridge, a crowd of ~100,000 triggered gridlock that stranded a fleet of driverless cars — draining batteries, blocking lanes, and prompting the mayor to demand tougher statewide rules.
~100K
spectators at the waterfront fireworks display
Dozens
robotaxis blocked travel lanes and had to be towed
1
empty car drove over fireworks and caught fire (no injuries)
The Scale of the Fleet That Faltered
Waymo now runs the largest commercial driverless operation — the reason a single event caused such disruption.
~1,000
vehicles in the Bay Area
11
cities with a presence
500K+
paid rides per week
The Mayor's Demand
Four "core operational capabilities" regulators should require of every autonomous fleet:
1
Immediately move stalled cars out of active travel lanes
2
Adjust routes, service areas & pickup points in real time
3
Share real-time operational data with local agencies
4
Tested capacity to handle surges in pedestrians & traffic
A pattern under abnormal conditions
Dec. power outage: darkened signals stalled cars, forcing a service pause
2024 near-miss at a school crosswalk
July 4: fleet stranded amid fireworks gridlock
Waymo's response
Blamed unexpected congestion, high visitor numbers & road closures
Roadside teams responded to stranded cars
Evaluating ways to strengthen resilience during major disruptions
The debate is shifting — from whether robotaxis can drive safely under ordinary conditions to whether they can be managed reliably during rare, high-stress events.
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