Guide: Choosing The Right Lane Speed Bump

The lane speed hump is essential to ensure the safety of users in private or public traffic lanes, but also in parking lots or warehouses.

Speed humps channel traffic and reduce the speed of vehicles in sensitive areas. Essential safety equipment, they are mainly found in built-up areas, around schools or in areas limited to 30 km/h.

Why put speed bumps in their place?

Speed bumps reduce the speed of a vehicle and therefore limit the number of accidents. They fall into the category of collective protective equipment (CPE), technical devices that isolate a hazard from people potentially exposed to the same hazard.

Speed humps are used in sensitive areas to channel traffic and reduce vehicle speed. They are mainly found in built-up areas, in front of schools, in areas limited to 30 km/h but also in parking lots and private roads. The speed bump is an essential safety equipment. It is important to know the standards and rules of installation to avoid excessive inconvenience to communities (traffic flow) and motorists (aggressiveness to the vehicle).

What elements to take into account?

Many elements must be taken into account before installing speed bumps on public or private roads.

The choice of the slower depends mainly on the environment in which it will be installed. It will then be necessary to define a traffic speed, also according to the vehicles to be targeted (car, heavy truck, super heavy truck, etc.) in order to select the ideal retarder height: a 70 mm or higher retarder, intended for heavy vehicles, will not be suitable for light vehicles. Finally, it remains to define the positioning of the speed humps according to the desired effect: aligned, staggered…

The different types of lane speed humps

Asphalt speed bumps are an integral part of a traffic lane, these speed bumps allow cars to brake well, only they can be inconvenient for vehicles because they occupy the entire width of the roadway, unlike speed bumps and speed humps for private roads.

Speed bumps are speed bumps that do not cover the entire road surface, and offer special qualities and adapted braking. The height of speed bumps is 6 to 7 cm, and their width is about 1.80 m, and they are placed on 1 lane at a time. 

The use of speed bumps is limited to built-up areas, rest areas, housing estates, but also to roads limited to 30 km/h.

Rubber speed bumps are mainly made of rubber or recycled plastic, black and yellow in color. They are particularly suitable for private roads, housing estates and parking lots, and can be installed quickly and easily. They are about 40 cm wide.

They can not be used on public roads because they are not regulatory.

They reduce the speed of vehicles to 30 km/h, 20 km/h or 10 km/h depending on the height of the device. They are easily and quickly installed using lag bolts.

The choice of the height of the retarder depends on the speed of traffic and the type of vehicle. The speed humps are specially designed for the passage of heavy vehicles, incorporating a steel plate.

For a speed of 10 to 15 km/h:

To limit speed to 10-15 km/h, the use of 50 millimeter high speed humps is particularly suitable. This height is suitable for driveways, parking lots and light traffic areas.

For a speed of 5 to 8 km/h:

75-millimeter high-speed speed humps are specially designed for traffic up to 8 km/h. Again, this height is suitable for parking lots and light traffic access roads.

For heavy truck traffic:

In industrial areas with heavy traffic (heavy vehicles, etc.), it is preferable to resort to speed humps with internal steel plate. Their dimensions can be variable and are preferred according to the desired speed. The 60 mm high retarder can be designed both for heavy vehicles and to allow passage at a maximum of 15 km/h.

Road markings and markings on the ground

All speed humps installed on public roads must be preceded by traffic signs. 

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