" Ditch off street parking and buildings will become much more dense, which in turn will make them more valuable (manhattan land is more valuable than suburbia)

" Ditch off street parking and buildings will become much more dense, which in turn will make them more valuable (manhattan land is more valuable than suburbia), smaller (because people can't afford much space when land is expensive), which increases density further." Not necessarily true. In the situation where infrastructure building is almost impossible, the only net result for this is the pubic transit will become more and more expensive.