Adding Neighborhood 20 MPH Zones Isn’t a Zero-Sum Game
But if Park Slope gets a slow zone before Greenwood Heights, or if Greenwood Heights gets a slow zone before Park Slope, research suggests both neighborhoods will still be better off.
Streetsblog and the New Yorker are debunking the same bad assumptions this week. Whether it’s speeding in a car, or mugging, or selling bad investments, preventing a crime from happening does not mean it will just happen somewhere else.
Crime and traffic are not “like water”, as sometimes claimed. If you make speeding and robbery difficult, people will do less of those things.
Water has different properties.