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Road rules abroad

What changes when you cross the border

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

Critical
France · homeRightChecked 3 Aug 2026
United Kingdom · destinationLeftChecked 3 Aug 2026 · official source

Speed limit on the motorway

Critical
France · home130 km/h — about 81 mph110 in rain. Lower limits are signed in tunnels and roadworks.Checked 3 Aug 2026
United Kingdom · destination70 mph — about 113 km/hChecked 3 Aug 2026 · official source

Speed limit on country roads

Critical
France · 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 region
France · 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 region
France · 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
Scotland50 mg/100ml — about 0.5 g/lChecked 3 Aug 2026 · official source

Whether you need an International Driving Permit

Critical
France · 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

Important
France · homeLeftOvertaking on the right is only for passing a vehicle turning left, or trams.Checked 3 Aug 2026
United Kingdom · destinationRightChecked 3 Aug 2026 · official source

Speed limit on a dual carriageway

Important
France · home110 km/h — about 68 mph100 in rain.Checked 3 Aug 2026
United Kingdom · destination70 mph — about 113 km/hChecked 3 Aug 2026 · official source

Age below which a child needs a child seat

Important
France · 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

Important
France · 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
United Kingdom · destinationNot requiredChecked 3 Aug 2026 · official source

How you pay for motorways

Important
France · home
  • Toll booths
  • Electronic tolls with no barriers
Most motorways are tolled. Newer free-flow sections (A13, A14, A79) have no barriers — pay online or at a tobacconist within 72 hours, or fines follow the number plate.Checked 3 Aug 2026
United Kingdom · destination
  • Toll booths
  • City charges
Almost all motorways are free. The M6 Toll and several bridges and tunnels charge. London and Durham charge to drive in the city centre.Checked 3 Aug 2026 · official source

Hands-free phone calls

Good to know
France · 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 know
France · 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 know
France · 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

Minor
France · home
  • Holding a phone — fine from 135 EUR, 3 points
Checked 3 Aug 2026
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.)
Checked 3 Aug 2026 · official source

Known on one side only (19)

What you must carry in the car

France · home
  • Warning triangle
  • High-visibility vest
The vest must be within reach and worn if you leave a broken-down car on the road. Missing either is a 135 euro fine.Checked 3 Aug 2026
United Kingdom · destinationNot yet verified

Speed limit in rain or snow

France · home
  • Motorway — 110 km/h
  • Dual carriageway — 100 km/h
Applies when rain or other precipitation is falling.Checked 3 Aug 2026
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
For the probationary period: 3 years after the test, or 2 with accompanied driving. Applies whatever the weather.Checked 3 Aug 2026
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
Checked 3 Aug 2026 · official source

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.
Checked 3 Aug 2026 · official source

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 region
France · 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
ScotlandNot allowedChecked 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
Advisory rather than a fixed law, except where markings say otherwise.Checked 3 Aug 2026 · official source

What happens if you park wrongly

France · home
  • A fine
  • Towing
Obstructive parking can mean immobilisation and the pound, not just a fine.Checked 3 Aug 2026
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
United Kingdom · destinationIn some citiesLondon and Durham.Checked 3 Aug 2026 · official source
Same in both (5)