[Throwaway1771]

And scooters.

and revamping the US highway system with assisted driving beacons/lines etc - because they're the only ones with enough money to do so.

[underseacables]

That raises a very interesting point: The highway system. Who owns it? Who can “attach” to it? What you said made me think about line access and comcast using its mass to keep out Google Fiber etc. I really, REALLY do not want that battle to take place over roads.