Exactly my point, it was not the middle ages, and yet: https://fred.stlouisfed.org/series/trfvolusm227nfwa https://fred.stlouisfed.org/series/trfvolusm227nfwa (

Exactly my point, it was not the middle ages, and yet: https://fred.stlouisfed.org/series/trfvolusm227nfwa https://fred.stlouisfed.org/series/trfvolusm227nfwa (better if those are done is less polluting vehicles) and in the country of cars, other countries were not living on dirt roads