Frequently Asked Questions

We've listed some of the most common questions we receive about speed bump kits below. Have something not answered here? Call us on 01905 794875 or contact us.

All of our speed bump kits are intended for use on private land. Speed bumps that are on public roads are usually specified by the local authority and fall under different regulations.

The questions below are in the context of installing our kits on private land.

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What height of speed bump should I use?

Exact speeds cannot be prescribed through the height of speed bumps - this depends on the vehicle and wheel size. Generally, two common rules are used to determine the height required.

  • To slow traffic to 10mph then we suggest the use of 50mm. These are suitable for all vehicle types and occupy the majority of all installations.

  • To slow traffic to 5mph we suggest the use of our 75mm height speed bumps. Note that road users will find these very aggressive, so are generally used on sites with larger vehicles, such as lorries.

Can all types of vehicles drive over them?

  • Yes, our speed bumps are safe for road legal vehicles, including HGV’s up to 44 tonne, cars, motorbikes and of course, bicycles.

  • We recommend 75mm height speed bumps for effective speed calming of HGV and vans.

Are the speed bumps easy to install?

Yes, our speed bumps are very easy to install, please see our Speed Bump Installation Guide for more information.

Speed bumps are secured to the ground using an oversized, specially designed plug and screw.

  • To secure an inner segment, it requires four fixings.
  • An end segment requires two fixings.

Each fixing requires a 16mm hole to be drilled and it is strongly recommended to use a heavy duty SDS drill.

Do I need to install signs?

Strongly recommended.

We sell a complete range of speed bump signs, both post and wall mounted in various sized.

Typically these are installed 20 metres ahead of the first row of speed bumps.

Are speed bumps effective?

They are very effective when installed properly.

For locations with high volumes of HGV's or very large vehicles, we recommend 75mm speed bumps.

For all other vehicles we strongly recommend 50mm speed bumps.

What are your speed bumps made from?

Our speed bumps are made from high density, high quality PVC that lasts for years, these are much stronger than some rubber alternatives that are available.

Our yellow segments have a solid yellow PVC outer meaning that unlike speed bumps that are painted, the colour will not wear through.

Can I put a speed bump in front of my house?

On private land, if you have the permission from the land owner, yes. It’s common to do this in locations such as:

  • Car Parks - to prevent excessive speeds around pedestrians or to prevent the car park from being used for unwanted purposes when empty.

  • Long private driveways or roads - A typical example might be a driveway to a school or sports facility where many visitors are expected.

What is the law on speed bumps?

Installations on private land do not have to conform to the regulations as those placed on public roads.

Speed bumps designed to decrease vehicle speed to 10mph or lower are restricted to private roads.

Installations on public roads must be specified by the local authority. In these circumstances they recommend speed bumps should be between 25mm and 100mm in height. Whilst our speed bumps are not for use on public roads, all of ours do conform to this.

Do speed bumps actually help?

In short, yes, they do reduce the average speed if this is your intended outcome.

When installed with appropriate signs it helps raise driver awareness and reduce speed.

Do speed bumps need planning permission?

Currently the installation of speed bumps or cushions on a private road or land does not constitute development and so no explicit planning permission is required.

You must seek and gain the permission from the land owner and any other interested parties before starting installation of speed bumps.

On property that is Listed (Grade I, Grade II* or Grade II) or in a conservation area you should make additional checks on whether further permission is required.

What is the difference between a speed hump and a speed bump?

Speed bumps and speed humps both aim to reduce vehicles speed, but use two slightly different designs.

  • Typically, speed humps have a much shallower slope at each side and a much longer length to drive across.

  • Speed bumps are shorter in drivable length with a steeper slope at each side. These commonly installed in driveways, car parks and entrances to private property.