Do Speed Humps Work?

Every driver in Chicago has probably encountered a speed hump (yep, they are officially known as humps, not bumps) at some point while traversing the city. It’s probably safe to say that no one particularly enjoys going over one, but these barriers meant to slow drivers and make streets safer certainly annoy some more than others. And one listener wants to know if they’re even effective. Reporter Andrew Meriwether investigates.