Not that today is any slouch: We already have onboard navigation systems and infrared night vision and in-car satellite links and antiskid brakes and other electronic Samaritans poised to take control when we screw up behind the wheel. Jaguar's adaptive cruise control, available today, tracks the speed and position of the car in the lane ahead and automatically adjusts the speed to keep a safe time interval.
Just around the corner, say all the big automakers, are smart highways embedded with millions of tiny sensors and even smarter cars that are constantly aware of the traffic that is flowing around them....