The buzzwords are Personal Rapid Transportation. (or Modular Automated Invididual Transport) The first version of these systems appeared in the 1970's known as People Mover's but the concept really never caught on. In addition, these kinds of infrastructure projects turn out to be very difficult to maintain funding for
Types of Proposed Systems:
The Family/Friend Micro Rail System
Personal Sky Tran
Why not be really clever and combine technologies:
General Idea
Other examples:
This has nothing to do with anything but ...
And last safety testing always very stringent for something
that you know is inherently dangerous!