America being large is irrelevant. China is just as large and you don't see them struggling to figure out how to walk places. The fact is most of the US is prac

America being large is irrelevant. China is just as large and you don't see them struggling to figure out how to walk places. The fact is most of the US is practically empty. Connect the major urban hubs with rail and remove the cars (from urban centers) and we'll have fixed this.