The one thing the author doesn&#x27;t seem to be taking into account is that the cities are much easier for them to change as needed. The infrastructure is more dense and (usually) more orderly designed, and access to electricity to add beacons, as well as access to all kinds of networking resources already in place for traffic work is pre-existing. Augmenting cities for self driving cars is going to be the bunny hill compared to augmenting the interstate highway system to them.