Increased housing population would not cause traffic if it was connected to work in a way that did not cause traffic. It is demonstrated at this point that spr

Increased housing population would not cause traffic if it was connected to work in a way that did not cause traffic. It is demonstrated at this point that sprawl results in traffic pretty quickly, while dense cities with good public transit have a much smaller commute time (e.g. NY, London). In places like Manhattan you could walk to work on Manhattan, so other types of transit is a convenience rather than a necessary.