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Safer Driving2 min readNovember 3, 2026

How to make cars slow down on your street: 8 things that work

Speeding traffic on your road? Practical, legal ways to make cars slow down on your street, from speed signs and community speed watch to asking for traffic calming.

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Fast traffic on a residential street is stressful, especially with children, pets or older neighbours around. You cannot set the speed limit yourself, but you can do more than you might think.

1. Measure the problem first

Councils act on evidence. Note the times when speeding is worst, how often it happens and what kind of traffic it is. Some councils will lend a speed counter or run a traffic survey if you ask.

2. Ask for a speed indicator sign

A sign that flashes each driver’s speed back at them is one of the most effective quick fixes. Many councils rotate mobile signs between streets on request.

3. Join or start a community speed watch

In many areas, trained volunteers work with the police to record speeding vehicles. Drivers over the limit receive a warning letter. It is cheap, legal and visible.

4. Petition for traffic calming

Speed humps, cushions, chicanes, narrower lanes and raised crossings physically slow cars down. Gather signatures from neighbours, attach your evidence and send it to your council or highway authority.

5. Request a lower limit or a 20 zone

Many cities are moving residential streets to 20 mph (30 km/h). If yours is not, ask your local councillor whether it is on the plan.

6. Make the street look like a place, not a road

Drivers slow down when a street feels narrow and lived-in. Parked cars, planters, trees and street art at the edge of the road all reduce speeds. Check with your council before putting anything on the pavement or verge.

7. Use signs on your own property

A clear “Please drive slowly” sign or a children-at-play banner in your front garden is usually allowed, as long as it does not look like an official road sign.

8. Report dangerous driving

Report persistent or dangerous speeding to the police with dates, times and registration numbers if you have them. Never confront drivers yourself.

Start with your own driving

The fastest change you control is your own. Smooth, steady driving through residential streets sets the tone for everyone behind you. Road Rank scores how smoothly you drive and shows hard braking and quick acceleration on every trip. See defensive driving basics for more.

Frequently asked questions

How do I get speed bumps on my street?

Contact your local council or highway authority and ask about traffic calming. They usually need evidence such as traffic counts, collision records or a petition from neighbours, and some areas have a waiting list or funding rounds.

Can I put up my own slow down sign?

Signs that look like official road signs are usually not allowed on the road or verge. A sign or banner on your own property, such as 'Please drive slowly, children playing', is generally fine. Check your local rules first.

What actually makes drivers slow down?

Physical changes work best: narrower lanes, speed humps, chicanes and planters. Feedback signs that show a driver's speed also work well. Plain warning signs have a smaller effect.

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