I fully expect the interstate system to be the first fully automated road network... You drive up the ramp, either in a truck or a car, and at some point the

I fully expect the interstate system to be the first fully automated road network... You drive up the ramp, either in a truck or a car, and at some point the on board computer takes over, when you get to your preprogrammed exit number the car/truck gives the driver back control once it is on the exit ramp, if the driver does not acknowledge control the car automatically decelerates and pulls off the road way