Even if self driving vehicles are a reality in the next 20 years there's two inescapable realities we need to contend with: mass transportation will always be m

Even if self driving vehicles are a reality in the next 20 years there's two inescapable realities we need to contend with: mass transportation will always be more ecologically sustainable than a fleet of self driving cars clogging the streets, and that most people don't want to be driving for an hour to go anywhere, even if a computer does the driving. Density will always be a good thing.