Country driving guide

Driving rules in United Kingdom

A practical summary of the main rules that may differ when you cross the border. The values below come from the official source linked on this page — the standardized Your Europe country page or the national law or authority.

Source-backed

Typical passenger-car speed limits

Built-up areas: 32 / 48 km/h
Outside built-up areas: 96 km/h
Motorways / expressways: 112 km/h

The UK drives on the left and signs limits in mph: built-up areas 30 mph (48 km/h), Wales 20 mph (32 km/h) by default; single carriageways 60 mph (96 km/h); dual carriageways and motorways 70 mph (112 km/h).

Blood alcohol limits

Standard drivers: 0.8 mg/ml
Novice drivers: 0.8 mg/ml
Professional drivers: 0.8 mg/ml

Scotland applies a lower 0.5 mg/ml limit for all drivers.

Lights, winter rules and equipment

Daytime lights: No general daytime requirement Lights are required between sunset and sunrise and when visibility is seriously reduced; no daytime running light mandate.
Winter tyres / equipment: Not required by national rules
Mandatory equipment: Not stated in the standardized source No mandatory in-car kit; a warning triangle is optional and must not be used on motorways.

Checks that depend on the route

Low-emission zones: Check the current national or local official source
Fines and enforcement: Check the current national or local official source
Emergency number: 999

This is a planning summary, not legal advice. Road signs and current national rules take priority. Always check the linked official source before departure.