The Information: Waymo’s Cars Play It Safer After Incidents and ‘Driver Fatigue’

"...the Alphabet company put so-called “safety drivers” back behind the wheel of its most advanced prototypes, ending a year-long period in which those people generally sat in the passenger or back seat."

https://www.theinformation.com/articles/waymos-cars-play-it-safer-after-incidents-and-driver-fatigue