A U.S. agency said on Thursday it has asked Waymo to answer more questions after Texas officials said the Alphabet unit’s self-driving vehicles had illegally passed school buses 19 times in recorded incidents since the start of the school year.
The National Highway Traffic Safety Administration opened a probe in October after an incident in Georgia in which a Waymo car did not remain stationary when approaching a school bus with its red lights flashing and stop arm deployed.
In a November 20 letter posted by NHTSA, the Austin Independent School District said five incidents