Driving in the United Kingdom
Key road rules in Britain you need to know
These rules should be used as a guide and are subject to change. Please ask an Avis representative if you have any questions, including toll and road charges.
If you’re looking for travel ideas, tips and booking info visit our UK page. Or if you want help making the most of car hire in the UK, see our guide to great road trips.
Which Side of the Road?
In the UK, we drive on the LEFT side of the road.
Unique Country Driving Laws
- Using hands-free devices are permitted. It’s illegal to hold and use any device that can send or receive data while driving.
- On the motorway, keep in the left lane unless overtaking.
- At zebra and parallel crossings, you MUST give way to pedestrians and cyclists.
- On roundabouts, traffic approaching from your right has priority.
- When driving in London there’s a Congestion Charge zone 7:00-18:00 Mon-Fri and 12:00-18:00 Sat-Sun.
- There are speed cameras on all types of roads.
Speed Limits
For a standard rental car (no trailers):
- Built-up areas: 30mph (48 km/h)
- Single carriageways: 60mph (96 km/h)
- Dual carriageways: 70mph (112 km/h)
- Motorways: 70mph (112 km/h)
In areas of street lighting (other than motorways) a 30mph limit applies unless another limit is specifically signed.
Traffic Signs
Here's a few traffic signs you need to be aware of when driving in the UK.
Speed Limit
National speed limit for the type of road and class of traffic applies.
20mph - The maximum speed at which traffic may travel if it is safe to do so.
Child Safety / Seatbelt Laws
You MUST wear a seat belt.
You MUST make sure that any children in the vehicle you’re driving are:
- In the correct car seat for their height or weight until they reach 135cm tall or their 12th birthday, whichever is first.
- Wearing a seat belt if they’re 12 or 13 years' old, or younger and over 135cm tall.
Please take a look at the baby, infant and child seats we offer.
Emergency Services
- Police
- 999
- Ambulance
- 999
- Fire Department
- 999
- European Emergency Number
- 112
Further reading
For more info on UK driving rules, please visit GOV.UK.
We also have a dedicated road rules page for countries in Europe and beyond.