I would argue the opposite actually. If the US had embraced trains as people movers early on, with local subway systems, I'd imagine we'd have seen even more ec

I would argue the opposite actually. If the US had embraced trains as people movers early on, with local subway systems, I'd imagine we'd have seen even more economic growth than we did. Our cities would be far more prosperous, our people healthier, our energy footprint lower. Better social mobility.. It seems likely that cars actually hindered average GDP growth from '45 to today, rather than helping it.