The way different countries deal with Eminent Domain is a big reason here. Imagine all the subways that have to snuck into existing commercial and residential

The way different countries deal with Eminent Domain is a big reason here. Imagine all the subways that have to snuck into existing commercial and residential spaces in a way that doesn't disturb the existing tenants? https://www.justice.gov/enrd/history-federal-use-eminent-domain https://www.justice.gov/enrd/history-federal-use-eminent-dom... In China they just move everyone https://owlcation.com/humanities/Nail-Houses https://owlcation.com/humanities/Nail-Houses