Los Angeles was one of the first large cities in the U.S. to adopt a kind of modern zoning to keep the industrial away from the residential.
If the city would have more mixed use, with people living closer to retail and workplaces, Los Angeles would feel like another city, with less of its land area dedicated to low density, single family residential neighborhoods, and more streets with shops and businesses on the ground floor and homes above. — kcet.org
"The Laws That Shaped L.A." is a weekly series on LA-based radio station KCET, spotlighting regulations that have played a significant role in the development of contemporary Los Angeles. These laws - as nominated and explained each week by a locally-based expert - may be civil or criminal, and they may have been put into practice by city, county, state, federal or even international authority.