Not a tv show or movie, but i wasn’t quite sure where to put this.
Transportation revolution?
http://www.economist.com/blogs/babbage/2010/10/google_and_self-driving_cars
Video:
http://vimeo.com/15697634
The advantages I can think of go on and on.
If all cars were driverless, you could have bumper-to-bumper traffic and still go 60mph.