How to choose a speed breaker?

speed humps are often made up of a spread of materials, including asphalt, concrete, recycled plastic, metal, or vulcanized rubber. Several trade-offs must be made when selecting the fabric for a replacement speed cushion. Traditionally most vertical deflection devices are constructed of asphalt or concrete.

Because of the rigidity and sturdiness of those materials, they need more permanence and are more practical at slowing traffic. However, to make a speed breaker they will be difficult to shape and form consistent forms and precise dimensions. Rubber products are pre-shaped to plain sizes to fulfill industry standards.

Speed hump

Preformed rubber products are typically bolted down, making them easier to put in or remove. Temporary bolt-down installations are often ideal for planners in testing the utilization and positioning of speed humps before implementing them during a larger project. Bolt-down products also can be removed or relocated during winter snow periods—where speed bumps are easily concealed and should be damaged by snowplows.

A speed breaker is additionally referred to as a sleeping policeman in British English, Maltese English, and Caribbean English, a judder bar in New Zealand English, and a lying-down policeman in Colombia, Dominican Republic, Croatia, Estonia, Slovenia, and Russia.

A speed breaker may be a bump during a roadway with heights typically ranging between 76 and 102 millimetres (3 and 4 in). The traverse distance of a speed breaker is usually but or almost 0.30 m (1 ft); contrasting with the wider speed humps, which usually have a traverse distance of 3.0 to 4.3 m (10 to 14 ft).

Speed humps vary in length, but it's typical to depart space between the bump and either fringe of an indoor road (i.e. with curbs and gutters) to permit for drainage. Spaces on either side can also allow more expedient passage for emergency vehicles, though effectiveness will depend upon the sort of vehicle and specific road design.