http://www.cprt.org/default.htm
Personal Rapid Transit!
People in groups of 2-4 travel in small, totally computerized cars which take you directly from the point of departure to your destination. The AI on these cars use GPS and satellite uplinks to determine the best and fastest route to your destination.
Scary I know!
http://www-rcf.usc.edu/~wdutton/comm...igenttrans.htm
Automated Highway System (AHS)
An advanced Intelligent transportation system technology designed to provide for driverless cars on specific rights-of-way. Automated highway systems combining magnetic sensors, computers, digital radio, forward-looking sensors, video cameras, and display technologies would allow the cars to organize themselves along the highway.