China Installed Pedestrian Speed Bumps On Certain Streets – And Here’s Why

You know speed bumps: those raised, pesky protrusions in the road that keep other drivers (not you) from recklessly ripping through parking lots and routinely ignoring posted speed limits on neighborhood streets, near hospitals, and in school zones. Depending on city and county ordinances, they come in a variety of shapes and sizes but tend to range anywhere from 3 to 6 inches high, and can just as easily be called lumps or humps. According to the Federal Highway Administration, these protuberances can reduce speeds by as much as 10 mph. Whatever they’re called, and wherever they’re installed, they’re always…