Planning to drive in the United Kingdom? Whether you’re exploring the scenic countryside, navigating busy city streets, or embarking on an epic road trip across England, Scotland, Wales, or Northern Ireland, knowing the driving rules and customs is essential. The UK’s roads have some quirks, but once you understand the basics, it’s a wonderful country to explore by car.
Driving Basics in the United Kingdom
Which Side of the Road Do You Drive On?
In the United Kingdom, drivers must drive on the left-hand side of the road. This is one of the key differences for visitors from countries like the United States or much of Europe, where driving on the right is the norm. It might feel strange at first, but you’ll quickly get used to it. Be extra cautious at intersections and roundabouts until you adjust.
Tip: When overtaking, always do so on the right!
Speed Limits in the UK
Speed limits in the UK vary based on the type of road and location. They are usually displayed in miles per hour (mph), not kilometers:
- Motorways and dual carriageways: 70 mph (112 km/h)
- Single carriageway roads: 60 mph (96 km/h)
- Built-up areas: 30 mph (48 km/h) or lower (check for signs)
- Residential streets: Often 20 mph (32 km/h)
Always watch for speed limit signs, especially in rural areas where limits can drop unexpectedly.
Traffic Lights and Signage
UK traffic lights follow the standard sequence: red, red and amber, green, then amber, and back to red. There are no right turns on a red light like in some countries, so be patient. You must stop at yellow or amber lights unless stopping would be dangerous.
Road signs: The UK uses a mix of internationally recognized symbols and some unique to the country. Speed signs are circular with a red border, while warnings like sharp bends or pedestrian crossings use triangles.
Navigating Roundabouts
Roundabouts are everywhere in the UK, and they operate with a clear rule: give way to traffic on your right (those already on the roundabout). Indicate left when you are exiting the roundabout. In larger cities like London, you’ll find multi-lane roundabouts—don’t worry, just stay in the correct lane for your exit.
Tip: Some roundabouts can have multiple exits or lanes. Plan ahead by checking your GPS or road signs, and don’t be afraid to circle the roundabout again if you miss your exit!

Road Safety and Rules
Seatbelts and Child Safety
Seatbelt use is mandatory for all passengers in the UK. If you’re driving with children, make sure to follow these rules:
- Children under 12 or under 135 cm (4 feet 5 inches) tall must use a child seat.
- Babies must be in rear-facing seats until they are 15 months old.
Failing to follow these rules can result in a fine, so it’s essential to ensure everyone is buckled up before you start your journey.
Headlight Use
In the UK, headlights must be used when visibility is seriously reduced—such as in fog, heavy rain, or after dark. You should also use dipped headlights on motorways and dual carriageways during the day if the weather is poor.
Tip: Always have your headlights on low beam when driving in the countryside at night, as roads are often unlit.
Use of Mobile Phones
Using a mobile phone while driving in the UK is illegal unless you have a hands-free system. This includes texting or using your phone for navigation without a mount. The fines for using your phone while driving are steep, and you can also get penalty points on your driving license.
If you need to make a call, pull over safely or use a Bluetooth system.

Practical Information for Driving in the UK
Alcohol Limits
The UK has strict alcohol limits for drivers, though they vary slightly depending on where you are:
- England, Wales, and Northern Ireland: 80 mg of alcohol per 100 ml of blood.
- Scotland: 50 mg per 100 ml of blood.
To be safe, it’s best not to drink at all if you plan to drive. Penalties for drink-driving are severe and can include fines, driving bans, or imprisonment.
Road Conditions and Weather
The UK has a well-maintained road network, though rural areas can have narrow lanes, sharp bends, and uneven surfaces. The weather is unpredictable, so always check forecasts before heading out. Rain is common, and in winter, there can be snow or ice in Scotland or hilly areas.
Tip: If you’re planning a road trip through Scotland’s Highlands or Wales’ mountains, make sure your car is equipped for winter conditions.
Tolls and Congestion Charges
Most roads in the UK are free to use, but there are a few exceptions:
- M6 toll road: a faster alternative route near Birmingham.
- Dartford Crossing: a bridge/tunnel near London (payable online).
- London Congestion Charge: If you’re driving into central London, you’ll need to pay a daily fee during peak hours.
Be aware of these charges to avoid fines.
Fuel Availability
Petrol stations are widespread throughout the UK, but in rural areas, they may be less frequent, especially late at night. Most stations offer unleaded petrol and diesel, and many are self-service. Prices can be high compared to other European countries, especially in remote areas.

Required Documents and Emergency Numbers
To drive legally in the UK, you’ll need:
- A valid driving license (an International Driving Permit if your license isn’t in English)
- Car insurance
- Proof of ownership or rental agreement
- Vehicle registration documents
In case of emergency, dial 999 for police, ambulance, or fire services. For less urgent situations, the non-emergency number is 101.
Conclusion
Driving in the United Kingdom can be an enjoyable and efficient way to explore the country’s diverse landscapes and charming towns. Just remember: drive on the left, follow the speed limits, and stay cautious at roundabouts. With the right preparation, you’ll navigate the UK’s roads like a local in no time. Happy driving!
All about Driving in the United Kingdom
What is the speed limit on UK motorways?
The speed limit on motorways in the UK is 70 mph (112 km/h).
Can I use my foreign driving license in the UK?
Yes, you can use your foreign driving license for up to 12 months if you’re from outside the UK. If your license isn’t in English, you may need an International Driving Permit.
Are there toll roads in the UK?
Yes, but they are rare. The most notable ones are the M6 toll and the Dartford Crossing.
What side of the road do people drive on in the UK?
In the UK, you drive on the left-hand side of the road.
What’s the drink-driving limit in the UK?
The limit is 80 mg of alcohol per 100 ml of blood in England, Wales, and Northern Ireland, and 50 mg per 100 ml of blood in Scotland.