What To Know About Speed Bumps?

The reducing road speed, also called reducing badeness road speed, is placed on the road surface and intended to maintain speed in certain areas.

Why are they placed, and what effect does a speed bump have? As their name suggests, they are placed to reduce speed, and as we have already told you, the effect they cause is discomfort for both the driver and the occupants of the vehicle when they are exceeded at a speed higher than the speed allowed in said section.

These speed reducers have specific placement and design criteria. If you want to know more, keep reading and discover more details.

To get info on temporary speed bumps, please follow the link.

Speed ​​Reducers Design

Regarding the design of the reducers, we focus on telling you about the construction materials and their geometry:


The materials for the manufacture of a road speed reducer must be of quality since it must be guaranteed that the reducers have a long useful life, do not deform, and are stable.

But what materials are recommended? Quality concrete for raised pedestrian speed bumps and high-quality rubber or plastic material for ‘donkey’s back’ speed bumps. These, in addition, must be fastened to the asphalt through screws or chemical adhesives that guarantee that they are perfectly fixed.


Taking into account the geometry, there are different types of road speed reducers:

  • Trapezoidal cross-section speed reducers: these reducers also fulfill the function of pedestrian crossings and are slightly elevated.
  • Donkey Back Speed ​​Reducers: These are the circular segment cross-section speed reducers.

What Are BTA?

You’ve with no doubt heard of BTA. They alter devices for the road that utilize transmission of noises or vibrations obtained from their step on the suspension, as well as damping system of vehicle to give alerting to drivers.

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