It’s easy to complain about speeding traffic– and why not. Speed kills. Bicyclists and pedestrians are especially vulnerable to speed. One town in England is taking the bull by the horns. Essentially. In urban areas, the speed limit is set at 20 miles per hour.
If you happen to own a car, you can set the speed limit at 20MPH too. On two lane city streets, your car sets the speed limit.
Civilstreets.org