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Waymo Robotaxi Reportedly Entered Flooded San Antonio Roadway and Was Swept Into Waterway

AI Incident Database · article · Apr 21, 2026 · UTC

An unoccupied Waymo robotaxi reportedly entered a flooded roadway near Salado Creek in San Antonio on April 20, 2026, and was swept into a nearby waterway. Waymo told regulators that the vehicle detected potentially untraversable floodwater but proceeded at reduced speed. No passengers were aboard and no injuries were reported. Waymo restricted operations and later recalled 3,791 fifth- and sixth-generation automated driving systems.

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recordType
incident-report
evidenceStatus
reported
region
Global

Reported occurrence date: 2026-04-20T00:00:00.000Z

Evidence & attribution

AI Incident Database, Responsible AI Collaborative; McGregor (2021), Preventing Repeated Real World AI Failures by Cataloging Incidents. Incident-specific contributor credits are available at each citation link. Metadata adapted; article text excluded.

License: CC BY-SA 4.0

First collected: 2026-09-19T22:50:59.123Z. This is not the publication date.

Observed changes

AIIC observation times, not verified publisher revision times. Up to eight recent revisions.

2026-09-20T23:22:28.549Z

  • publishedAt: Not provided2026-04-21T00:00:00.000Z