Whether you are managing a busy car park, slowing vehicles in a workplace, or calming traffic on a shared driveway, speed bumps remain one of the most reliable ways to keep speeds under control. Modern modular systems make it straightforward for both trade installers and confident DIYers to fit sturdy speed bumps, speed ramps and speed humps on private land.
This guide explains the different types of speed bumps, how to choose the right height, how to install them, and the pitfalls to avoid. It applies to everything from driveway speed bumps to temporary speed bumps used on construction sites or events.
Jump to:
- Types of Speed Bumps
- How to Choose the Right Height
- 50mm vs 75mm Comparison
- Speed Bump Buying Guide
- How to Install a Speed Ramp
- Frequently Asked Questions
Types of Speed Bumps
The term speed bump covers several traffic calming devices. Understanding the main types of speed bumps helps you choose the right option for driveways, car parks or private roads.
If you are comparing different types of speed bumps for driveways, car parks or private land, it is worth understanding the difference between private and public rules. Public roads must follow strict regulations set out in the Department for Transport’s Road Humps and Traffic Calming Measures guidance. These rules do not apply to private land but they give useful insight into safe positioning and height.
1. Modular Speed Bumps and Speed Ramps
These are the most common speed bumps for car parks, driveways, industrial yards and workplace entrances. They include central sections and rounded end caps, usually in high visibility colours.
Suitable options include:
Ideal for:
- Car parks
- Driveways and shared access roads
- Business forecourts
- Industrial estates
- Construction sites and temporary works
2. Speed Humps
Wider and more gradual than modular speed ramps, offering smoother traffic calming. Often used near schools or residential areas but also useful on private estates.
3. Speed Cushions
Designed so larger vehicles can straddle them while slowing cars. Less common for private installations but helpful for mixed vehicle settings.
4. Temporary Speed Bumps
Lightweight and portable. Used at events, short term works, or where cable protection is needed. Not suitable for long term heavy traffic.
Choosing the Right Speed Bump Height
The height of a speed bump has the biggest impact on speed reduction. This is the key difference between a gentle traffic calming solution and a firm, controlled slowdown.
| Height | Typical Speed Reduction | Best For |
|---|---|---|
| 50mm | Approx 10mph | Driveways, general car parks, residential areas |
| 75mm | Approx 5mph | Industrial yards, warehouses, construction access |
For additional safety principles, especially where vehicles and pedestrians mix, the Royal Society for the Prevention of Accidents provides helpful information on layout and visibility. See RoSPA Traffic Calming Guidance.
Vehicle type considerations:
- Cars: both heights are suitable
- Vans and pickups: 75mm provides more predictable slowing
- HGVs: 50mm is typically better, as 75mm ramps wear faster under heavy axle loads
Surface condition also matters. On uneven or older surfaces such as block paving or patched tarmac, 75mm bumps may rock unless fixed securely.
Comparison Table: 50mm vs 75mm Speed Bumps
| Feature | 50mm Speed Bump | 75mm Speed Bump |
|---|---|---|
| Speed Reduction | 10mph | 5mph |
| Driver Comfort | Smoother | More abrupt |
| Suitable for HGVs | Yes | Use with caution |
| Best Use Case | Driveways and general car parks | Industrial yards or sites needing slow traffic |
| Wear Rate | Lower | Higher on heavy sites |
Speed Bump Buying Guide
Choosing the right speed bumps for driveways, workplaces or car parks is straightforward when you follow the steps below.
1. Measure the width of your road or entrance
A small driveway may only need one or two centre sections. Larger car park entrances may require longer runs. Our kits are available from 1 metre to 10 metres.
2. Decide how much you want to slow traffic
- Choose 50mm for moderate slowing and comfortable driving
- Choose 75mm for firm slowing and high control
3. Consider related safety products
These improve visibility and control around speed bump areas:
4. Plan your layout
For longer runs or shared access roads, it is useful to follow basic design ideas from the Department for Transport’s Manual for Streets. Although written for public locations, the guidance on approach visibility, gradients and spacing helps create safer private layouts.
5. Temporary or permanent installation
- Permanent: Use supplied anchor bolts.
- Temporary speed bumps: Good for events or short term works, not for long term heavy traffic.
How to Install a Speed Ramp
Modular speed ramps are easy to install on firm concrete, tarmac or block paving. A confident DIYer can typically fit a full run in under an hour.
Tools You Will Need
- Hammer drill with masonry bit
- Hammer or mallet
- Ratchet and sockets
- Tape measure
- Marker paint or chalk
- Safety glasses and gloves
- Traffic cones
Installation Steps
- Lay the speed bump sections on the ground to check alignment and spacing.
- Mark the fixing holes through the pre-formed apertures.
- Drill deep enough to suit the supplied anchors.
- Brush debris out of the holes.
- Tap the speed bump sections together using a mallet.
- Insert and tighten anchor bolts with a ratchet.
- Fit the end caps to finish the run.
Tip: Avoid drilling into fresh tarmac. Allow several days for it to cure or the fixings may loosen as the surface settles.
Frequently Asked Questions
Are speed bumps legal on private land?
Yes. You can install speed bumps on driveways, private roads, business premises and construction sites. Public highway rules do not apply, although local guidance may exist for shared access routes.
Can I install speed bumps on public roads?
No. Only local authorities or approved contractors may install speed bumps on public roads under UK regulations.
Will speed bumps damage my car?
Not if you drive at the intended speed. Damage occurs when drivers pass over them too quickly or when the bump height is unsuitable for the vehicle type.
Do speed bumps last?
High quality recycled PVC speed bumps typically last many years. On industrial sites, centre sections may need replacing before the end caps.
Can they be removed?
Yes. Bolt-down modular speed bumps can be removed easily, leaving only drill holes.
Conclusion
Speed bumps remain one of the simplest and most effective ways to reduce vehicle speeds in driveways, car parks and private work areas. Whether you want gentle slowing or firm traffic control, choosing the correct height and installing it properly makes a real difference.
Explore our full range of 50mm speed bump kits and 75mm speed bump kits to find the best option for your site.
