>>2025272For a brief period that was thought to be the future of city planning, though it was less a case of raising pedestrian walkways to the roof and more just burying highways. There are, however plenty of examples of both those kinds of deliberate segregation of modes, like Montreal's Ville Marie expressway and underground city, Boston burying the I-93 artery that bisects the city, London's pedway and Calgary's Skywalk - my favorite (albeit unrealized) version of this is the concept fot EPCOT
