Traffic signs or road signs are signs erected at the side of roads to provide information to road users.
Street Name Sign
A Street Name Sign has the street name and sometimes other information, such as the block number or the name of the city or county in which the street is located.
Driver Feedback Sign
A driver feedback sign (also called a radar speed sign, changeable message sign, Your Speed sign, radar feedback sign, speed radar sign, radar speed display, speed feedback sign, traffic calming sign, speed display board, dynamic speed display (DSDS) or variable message sign) is an interactive sign, generally constructed of a series of LEDs, that displays vehicle speed as motorists approach. The purpose of radar speed signs is to slow cars down by making drivers aware when they are driving at unsafe speeds.