What is another word for speed bump?
Pronunciation: [spˈiːd bˈʌmp] (IPA) 
A speed bump is a traffic control device that is designed to slow down the speed of vehicles. It is usually a raised portion of the road surface that forces the driver to slow down. However, there are many other synonyms that are used to describe this same device. Some people call it a speed hump, a road hump, a sleeping policeman, a judder bar, or a traffic calming measure. These terms are used interchangeably to describe the same device that is used to reduce speed on roads or in parking lots. Regardless of what it is called, the goal remains the same, to prevent accidents and improve road safety.
