Zoning regulations, which have substantial knock-on effects on everything from traffic to mental health. When you think of suburban sprawl (especially in the U

Zoning regulations, which have substantial knock-on effects on everything from traffic to mental health. When you think of suburban sprawl (especially in the US and Canada), it's largely the result of zoning regulations -- minimum distance between structures, minimum setbacks from the street, parking requirements, limiting areas where multi-family dwellings can be built, etc.