... Trapezium) End cap size:250*900*50MM(alternative) road speed humpName:Speed hump,Speed breaker, speed bumpSpecifications: ... ,a good helper of the manager,mainly used for city intersection,highroad crossing,toll gate,garden,village ... concrete roads.2) To improve life span ,the road must be smooth.After drilling,clean up the ... the bump to the surface of the road 3) For A type road bumps,use a ateel bar or ...