What should the speed limit be for cars in cities? | TreeHugger

A simple and intuitive way to understand why lowering the speed limit in our cities is a must:

20 MPH/30 KPH seems to be a good compromise, with the number of deaths being very small and the number of uninjured victims being more significant, unlike with higher speeds where things are reversed. Though of course a low speed limit should be the last thing we count on to save lives; cities should be designed for walking, and the infrastructure should be designed to make things safe for everybody, including pedestrians.

We need to take our cities back.