rubber hump

Speed bump(speed hump,road hump,speed breaker,sleeping policeman,) is a speed-reducing feature of road design to slow traffic or reduce through traffic. Our speed hump is a bump in a roadway with heights typically ranging between 2and 3 inches. The length of road bumps are typically less than or near to 1foot (30 cm); whereas road humps are longer and are typically 10 to 14 feet (3.0 to 4.3 m) in length. The use of speed bumps is widespread around the world, and they are most commonly found where vehicle speeds are mandated to be low. Because speed bumps are very effective in keeping vehicle speed down, Advantages of speed hump:They are relatively inexpensiveThey are relatively easy for bicycles to cross if designed appropriatelyThey are very effective in slowing travel speeds.Speed Humps are good for locations where very low speeds are desired and reasonable, and noise and fumes are not a major concern.Usage:* Mainly used for city intersection, highroad crossing, toll gate,garden, village, parking lot, and gas station, etc.1. fixer for asphalt roads : expansive screw (standard parts, the customercan easily purchase on local market);2. To improve life span, the road must be smooth. After drilling, cleanUp the holes and remove the dust, oil and debris from the holes.Using the special adhesive, put the bottom of the bump to the surface of the road3. Speed bumps can be installed on the surface of asphalt roads and concrete roads4. For A type road bumps, use a steel bar or PVC pipe to link them up from the middle5. The fixer and the hole must be matched in size