I don't think stop signs with RF beacons is needed. The cameras on the car can provide just as good an image as what a human eye can. The problem to be figured

I don't think stop signs with RF beacons is needed. The cameras on the car can provide just as good an image as what a human eye can. The problem to be figured out is generating a mental model of the environment and reasoning about it. Think "Brain in a vat" analogy https://en.wikipedia.org/wiki/Brain_in_a_vat https://en.wikipedia.org/wiki/Brain_in_a_vat