Motopia...

In 1960, British architect Geoffrey Alan Jellicoe...  ...ish architect Geoffrey Alan Jellicoe proposed the city of the future for suburban London. Motopia was to...  ...ate the overhead roadways to stifle traffic noise! Planned for construction about 17 miles west of London wi...  ...ld—if somewhat impract...

http://www.neatorama.com/2012/12/09/Motopia/