Certainly interesting. Reminds me of the many things I’ve seen on Tomorrows’ World that never saw the light of day!
Wot? Like the entire future technology system being based upon String? 
…Takes me back to a certain Raymond Baxter appearance long ago… 
(jump to 15:00 minutes in)
Looks like Tim Brooke Taylor may have dropped more than one acid tab in his time.
Maybe good for internal transport ie hospitals, factories etc. out on the open road it could be a bit dangerous, do an emergency stop the thing would probably flip over on its front wheels.