France → United Kingdom
Driving in the United Kingdom when you know France
Differences first, worst-to-get-wrong first. Rules that match are folded away at the bottom.
What's different (15)
Which side of the road you drive on
CriticalFrance · homeRightChecked 3 Aug 2026
Speed limit on the motorway
CriticalFrance · home130 km/h — about 81 mph110 in rain. Lower limits are signed in tunnels and roadworks.Checked 3 Aug 2026
Speed limit on country roads
CriticalFrance · home80 km/h — about 50 mphDepartments may sign 90 on some roads. Sections with two lanes in the same direction are 90 on those lanes.Checked 3 Aug 2026
United Kingdom · destination60 mph — about 97 km/hSingle carriageway roads.Checked 3 Aug 2026 · official source
Speed limit in towns and cities
CriticalVaries by regionFrance · home50 km/h — about 31 mphCan be raised to 70 where signed. The Paris ring road is 70. Many city centres are signed lower.Checked 3 Aug 2026
United Kingdom · destination30 mph — about 48 km/hEngland and Scotland. Wales uses 20 mph as the default in built-up areas.Checked 3 Aug 2026 · official source
Wales20 mph — about 32 km/hThe default in built-up areas. Some roads are signed back up to 30.Checked 3 Aug 2026 · official source
How much alcohol you may have in your blood
CriticalVaries by regionFrance · home0.5 g/l — about 50 mg/100mlChecked 3 Aug 2026
United Kingdom · destination80 mg/100ml — about 0.8 g/lEngland and Wales. Scotland uses a lower limit.Checked 3 Aug 2026 · official source
Whether you need an International Driving Permit
CriticalFrance · homeDepends on where your licence is fromEU and EEA licences are accepted as they are. Other licences must be in French or carried with an official translation or an International Driving Permit.Checked 3 Aug 2026
United Kingdom · destinationNot requiredA full foreign licence is accepted on its own for visits.Checked 3 Aug 2026 · official source
Which side you overtake on
ImportantFrance · homeLeftOvertaking on the right is only for passing a vehicle turning left, or trams.Checked 3 Aug 2026
Speed limit on a dual carriageway
ImportantFrance · home110 km/h — about 68 mph100 in rain.Checked 3 Aug 2026
Age below which a child needs a child seat
ImportantFrance · home10 yearsA child under 10 must use a restraint suited to their size and weight.Checked 3 Aug 2026
United Kingdom · destination12 yearsUntil age 12 or 135 cm tall, whichever comes first.Checked 3 Aug 2026 · official source
Winter tyres
ImportantFrance · homeRequired where signs say soIn 34 mountain departments from 1 November to 31 March, marked zones require either four winter tyres (3PMSF marking) or snow chains on board. Zones are signed at their entrance.Checked 3 Aug 2026
How you pay for motorways
ImportantFrance · home
- Toll booths
- Electronic tolls with no barriers
United Kingdom · destination
- Toll booths
- City charges
Hands-free phone calls
Good to knowFrance · homeAllowed, with restrictionsEarpieces, earphones and headsets are all banned while driving. Only systems built into the car are allowed.Checked 3 Aug 2026
United Kingdom · destinationAllowedThe phone must be in a holder or fully hands-free, and must not block your view.Checked 3 Aug 2026 · official source
Who has priority at a roundabout
Good to knowFrance · homeDepends on the signsAlmost all roundabouts have give-way signs, so traffic already on the circle has priority. On the rare unsigned ones, entering traffic from the right has priority instead — Place de l'Étoile in Paris works this way.Checked 3 Aug 2026
United Kingdom · destinationTraffic already on the roundabout goes firstGive way to traffic approaching from your right, unless signs say otherwise.Checked 3 Aug 2026 · official source
Emergency number
Good to knowFrance · home112Direct lines also work: 15 medical, 17 police, 18 fire.Checked 3 Aug 2026
United Kingdom · destination999112 also works and reaches the same service.Checked 3 Aug 2026 · official source
Typical fines
MinorFrance · home
- Holding a phone — fine from 135 EUR, 3 points
United Kingdom · destination
- Holding a phone — fine from 200 GBP, 6 points (Drivers who passed their test within the last 2 years lose their licence instead.)
Known on one side only (19)
What you must carry in the car
France · home
- Warning triangle
- High-visibility vest
United Kingdom · destinationNot yet verified
Speed limit in rain or snow
France · home
- Motorway — 110 km/h
- Dual carriageway — 100 km/h
United Kingdom · destinationNot yet verified
Speed limit for drivers who passed their test recently
France · home
- Motorway — 110 km/h
- Dual carriageway — 100 km/h
- Country roads — 80 km/h
United Kingdom · destinationNot yet verified
Speed limit when towing a trailer or caravan
France · homeNot yet verified
United Kingdom · destination
- Motorway — 60 mph
- Dual carriageway — 60 mph
- Country roads — 50 mph
Alcohol limit for drivers who passed their test recently
France · home0.2 g/lFor the whole probationary period. In practice this means do not drink at all.Checked 3 Aug 2026
United Kingdom · destinationNot yet verified
Priority to traffic coming from the right
France · homeYes — traffic from the right goes first at unmarked junctionsAt an unmarked intersection, traffic from the right has priority. This catches out visitors — a car pulling out from a small road on the right may have the right of way.Checked 3 Aug 2026
United Kingdom · destinationNot yet verified
Height below which a child needs a child seat
France · homeNot yet verified
United Kingdom · destination135 cmUntil 135 cm tall or age 12, whichever comes first.Checked 3 Aug 2026 · official source
Youngest age a child may sit in the front
France · home10 yearsExceptions: a rear-facing baby seat with the airbag off, no back seats, no rear seatbelts, or the back full of other under-10s.Checked 3 Aug 2026
United Kingdom · destinationNot yet verified
What the lines and painted kerbs mean
France · homeNot yet verified
United Kingdom · destination
- Double yellow line — no parking. No waiting at any time, even without an upright sign.
- Single yellow line — no parking during signed hours. The hours are on nearby time plates, not on the road.
- Double red line — no stopping. Red routes. No stopping at any time.
- Single red line — no stopping. Red routes. Applies during the times shown on nearby signs.
- White zigzag line — no stopping. Marks the approach to a pedestrian crossing.
How long you may drive on your own licence
France · homeNot yet verified
United Kingdom · destination12 monthsCounted from when you last entered Great Britain.Checked 3 Aug 2026 · official source
When you must switch your headlights on
France · homeNot yet verified
United Kingdom · destinationNot requiredHeadlights are required at night and when visibility is seriously reduced.Checked 3 Aug 2026 · official source
Parking on the pavement
Varies by regionFrance · homeNot yet verified
United Kingdom · destinationNo single national answer:
EnglandAllowedExcept London, where it is banned. Discouraged everywhere, and obstructing the pavement can be fined.Checked 3 Aug 2026 · official source
WalesAllowedDiscouraged, and obstructing the pavement can be fined.Checked 3 Aug 2026 · official source
Parking facing against the traffic
France · homeNot yet verified
United Kingdom · destinationAllowedBy day only. At night you must not park facing against the traffic flow unless in a recognised parking space.Checked 3 Aug 2026 · official source
How far you must park from a junction or crossing
France · homeNot yet verified
United Kingdom · destination
- A junction — 10 m
What happens if you park wrongly
France · home
- A fine
- Towing
United Kingdom · destinationNot yet verified
When winter tyre rules apply
France · home1 November to 31 MarchChecked 3 Aug 2026
United Kingdom · destinationNot yet verified
Snow chains
France · homeRequired where signs say soChains on the drive wheels satisfy the mountain-zone rule if you do not have winter tyres. A specific sign can make chains compulsory on a given road.Checked 3 Aug 2026
United Kingdom · destinationNot yet verified
Low-emission zones
France · homeNot yet verified
United Kingdom · destinationIn many citiesLondon has its own ultra low emission zone. Clean air zones operate in Bath, Birmingham, Bradford, Bristol, Portsmouth, Sheffield and Tyneside, and Scottish cities have separate low emission zones. Most only charge vehicles that miss emissions standards.Checked 3 Aug 2026 · official source
Congestion charges
France · homeNot yet verified
Same in both (5)
- Youngest age you may drive — 17 years official source
- Holding a phone while driving — Not allowed official source
- Turning at a red light — Not allowed official source
- Who must wear a seatbelt — Everyone, in every seat official source
- Whether police can fine you on the spot — Yes — visitors must pay at the roadside official source