Yes, I think you're right. We'd need to update a lot of our infrastructure to make it friendlier for these cars.
I should also add: - very fast mobile data, with no blackspots, so a remote driver can take over a car that's confused by a situation - a replacement for GPS, it's not reliable enough, the signal is far too weak - digital signal beacons embedded in lane markings, and edges of the road, and on traffic cones for roadworks