San Bruno police officers pulled over a Waymo car with no driver Friday night while conducting a DUI crackdown.
Police said the Waymo made an illegal U-turn in front of them.
The department shared photos of the traffic stop.
VIDEO: Waymos stalled, confused in San Francisco as people climb, flip off from robotaxis
VIDEO: Waymos stalled as people climb, flip off from robotaxis in SF
No citation was issued because there was no driver to cite.
That'll change next July when a new California law takes effect allowing law enforcement to issue citations to operators of driverless vehicles.
If you're on the ABC7 News app, click here to watch live