It's worth noting that this is not a new idea. In the late 60s there were at least a dozen research projects working on this. http://en.wikipedia.org/wiki/Aram

It's worth noting that this is not a new idea. In the late 60s there were at least a dozen research projects working on this. http://en.wikipedia.org/wiki/Aramis_(personal_rapid_transit) http://en.wikipedia.org/wiki/Aramis_(personal_rapid_transit) Maybe technological advances have made it more feasible. I guess we'll see.