That idea is utter nonsense. Self driving technology won't allow you to fit more than four people in a four person car. Self driving technology gets you maybe

That idea is utter nonsense. Self driving technology won't allow you to fit more than four people in a four person car. Self driving technology gets you maybe a 4x-10x increase in the number of people transported per road lane by ensuring cars are mostly full, having them close together and cutting down on trips to reposition vehicles... however, that still won't be enough scale of transportation for the cities of the future.