It's a fascinating idea<p><a href="https://en.wikipedia.org/wiki/Personal_rapid_transit" rel="nofollow">https://en.wikipedia.org/wiki/Personal_rapid_transit</a><p>but aren't the economics challenging?
See also <a href="https://en.m.wikipedia.org/wiki/Morgantown_Personal_Rapid_Transit" rel="nofollow">https://en.m.wikipedia.org/wiki/Morgantown_Personal_Rapid_Tr...</a>