All hurry traffic will be below or above ground when brought within city limits.



John Elfreth Watkins : engineer
Although Watkins was incorrect in that cities are today still dominated by cars, he correctly predicted elevated highways and underground subways.


Tom Geoghegan. "Ten 100-year predictions that came true", BBC News Magazine. 11 Jan 2012. http://www.bbc.co.uk/news/magazine-16444966


http://www.bbc.co.uk/news/magazine-16444966