> Social aspects in the sense of that we nowadays use them for cars only. Back in the days people traded on streets, had cafes and social interactions. Kids cou

> Social aspects in the sense of that we nowadays use them for cars only. Back in the days people traded on streets, had cafes and social interactions. Kids could play football and learn how to cycle. I still see some of that in my dense city with car traffic. Obviously, this now happens on the sidewalk and not on the street itself. The major difference is kids not playing on the more major streets.