> Density necessitates lower speeds and smaller roads, and good luck regulating US cities into that state. Most European cities dream of having the same amount

> Density necessitates lower speeds and smaller roads, and good luck regulating US cities into that state. Most European cities dream of having the same amount of road space US cities have. Yet, many European cities build dedicated bike lanes... It takes serious political will-power to close of roads from cars. It's lack of "will" do something, nothing more.