I think the root cause is further up the chain of casuality. People need cars because they live in the suburbs, they live in the suburbs because they have children, they want to raise children in more square footage than the urban housing stock offers.
Notable exception being Tokyo
Ironically, if you look NYC in the 1910s, kids used to play baseball in the street because it wasn't yet overrun by cars, suddenly not enough space for kids, so move to the suburbs, which means more and more cars...
Notable exception being Tokyo
Ironically, if you look NYC in the 1910s, kids used to play baseball in the street because it wasn't yet overrun by cars, suddenly not enough space for kids, so move to the suburbs, which means more and more cars...