On April [XXX], 2026 at 6:47 PM PT a Waymo Autonomous Vehicle ("Waymo AV") operating in San Mateo, California was in a collision involving debris on U.S. Route [XXX] near Exit [XXX]. The Waymo AV was traveling southeastbound in the second from the left lane on U.S. Route [XXX] when a piece of dislodged debris from northwestbound U.S. Route [XXX] became airborne over the concrete highway median and landed in the Waym
San Mateo, CA
Operators running driving automation here have filed 3 crash reports with the federal regulator. None of them record an injury reaching hospitalisation.
By operator
- Waymo LLC3
By outcome
- Property Damage. No Injured Reported3
Crash with
- Other, see Narrative1
- Passenger Car1
- Pickup Truck1
The reports themselves
Narratives are written by the operator. Personal detail is removed by NHTSA before publication, which is why names appear as [XXX].
On October [XXX], 2025 at 10:12 PM PT a Waymo Autonomous Vehicle ("Waymo AV") operating in San Mateo, California was in a collision involving a passenger car on [XXX] at the entrance and exit ramps of State Route [XXX]. The Waymo AV was traveling northwestbound in the left lane on [XXX] when it came to a stop before entering the intersection at the entrance and exit ramps of State Route [XXX] to yield to inoperative
On July [XXX], 2025 at 8:05 AM PT a Waymo Autonomous Vehicle ("Waymo AV") operating in San Mateo, California was in a collision involving a pickup truck on [XXX] at [XXX]. The Waymo AV was stopped facing northwest in the right lane on [XXX] for a red light in a queue of traffic at the intersection at [XXX]. While the Waymo AV was stopped, a pickup truck traveling northwestbound in the right lane on [XXX] approached
A filing records that a crash happened and who was involved. It does not establish fault. Reports are amended as an operator learns more, and the register keeps the latest version. How this is verified.