NHTSA investigates Waymo self-driving vehicles for 22 incidents, including 17 collisions.

The US National Highway Traffic Safety Administration (NHTSA) has opened an investigation into Alphabet's Waymo self-driving vehicles, following 22 reports of 22 incidents, including 17 collisions. The probe covers an estimated 444 vehicles, and the NHTSA stated in some cases, the automated driving systems appeared to disobey traffic safety control devices, potentially violating traffic safety laws.