> one ends up with shopping malls surrounded by four-lane streets with no crosswalks.
You should look up the zoning codes in your city, as well as a zoning map. They are incredibly detailed, and extremely prescriptive. What we have in the US is very far from a market-based solution!
And those rules and regulations absolutely have worsened with time. Look at cities from 100 years ago, how they had nice downtowns where people could walk around (and also drive, but slowly) and they were relatively dense.
You should look up the zoning codes in your city, as well as a zoning map. They are incredibly detailed, and extremely prescriptive. What we have in the US is very far from a market-based solution!
And those rules and regulations absolutely have worsened with time. Look at cities from 100 years ago, how they had nice downtowns where people could walk around (and also drive, but slowly) and they were relatively dense.
http://www.nytimes.com/interactive/2016/05/19/upshot/forty-p...
http://cityobservatory.org/the-illegal-city-of-somerville/