Volkswagen is testing a self-driving system that lets you travel up to 80 MPH. It maneuvers the highways like a champ and even handles the stop and go of traffic jams.
The temporary auto pilot technology uses adaptive cruise control, lane assist and a variety of sensors to track your speed, your location and all the cars around you.
It's a semi-automatic system so you need to continually monitor the car. You don't have to keep your hands on the wheel, but you really shouldn't be napping while the car is flying down the highway at 75MPH.
Volkswagen designed the system with "production ready" components so an actual test model could arrive in the next few years which is two years too late.