If the vehicles will have live streaming, any chance to integrate it with VR?
Such technologies exist, but they're in early stages.
Are there enough autonomous vehicles on the market for this kind of network to develop?
There are, and in the future there will be even more.
Great idea. Are you conducting a bounty campaign?
Yes, check it out here:
https://bitcointalk.org/index.php?topic=2619886.new#new