Middle: 47*60*3cm
End: 22.5*60*3cm
Reflective Patch: 11*11cm
Speed hump is a rounded traffic calming device used to reduce vehiclespeed and volume on residential streets. Humps are placed across theroad to slow traffic and are often installed in a series of severalhumps in order to prevent cars from speeding before and after the hump.Common speed hump shapes are parabolic, circular, and sinusoidal.
Speed humps are used in locations where very low speeds are desiredand reasonable. Speed humps are typically placed on residential roadsand are not used on major roads, bus routes, or primary emergencyresponse routes. Placement is generally mid-block between intersections.