Most pre-industrial cities were limited by how far you could walk in 30 minutes to the center of town where the markets and government would be. Most people wa

Most pre-industrial cities were limited by how far you could walk in 30 minutes to the center of town where the markets and government would be. Most people walked everywhere, especially in a city. https://www.bloomberg.com/news/features/2019-08-29/the-commuting-principle-that-shaped-urban-history https://www.bloomberg.com/news/features/2019-08-29/the-commu...