Waymo's description. Sentence one. [1] "Waymo’s system is currently designed so each vehicle operates only within pre-mapped zones under certain conditions."

Waymo's description. Sentence one. [1] "Waymo’s system is currently designed so each vehicle operates only within pre-mapped zones under certain conditions." They don't drive all roads, they require roads to be fully mapped down to a full 3d map of the surface, and if the realtime surface deviates from the mapped surface they immediately reroute to a different road. [1] https://ltad.com/about/waymo-zones.html https://ltad.com/about/waymo-zones.html