The National Highway Traffic Safety Administration said on Monday it has opened a preliminary investigation into about 2,000 Waymo self-driving vehicles after reports that the company’s robotaxis may have failed to follow traffic safety laws around a stopped school bus.

The probe of the Alphabet unit is the latest scrutiny of self-driving systems by regulators reviewing how driverless technologies interact with pedestrians, cyclists and other road users.

NHTSA opened the investigation after a recent media report aired video of an incident in Georgia in which a Waymo did not remain stationary when approaching a school bus with its red lights flashing and stop arm deployed.

The report said the Waymo vehicle initially stopped then maneuvered around the bus, passing the extended stop arm wh

See Full Page