Learn the rules of the road, country by country

Moving abroad, renting a car on holiday or studying for a licence test? Pick a country to learn its traffic rules and road signs, then check yourself with a short practice quiz.

United States

Drive on the right · mph · rules set by each state

India

Drive on the left · km/h · Motor Vehicles Act

United Kingdom

Drive on the left · mph · The Highway Code

Canada

Drive on the right · km/h · rules set by each province

At a glance

CountrySide of roadSpeed unitsDrink-drive limit (blood alcohol)Minimum age to drive a car
🇺🇸 United StatesRightmph0.08% (0.05% in Utah); near-zero under 21Varies by state; learner permits from 14–16
🇮🇳 IndiaLeftkm/h0.03% (30 mg per 100 ml)18 (16 for gearless two-wheelers up to 50 cc)
🇬🇧 United KingdomLeftmph0.08% (0.05% in Scotland)17
🇨🇦 CanadaRightkm/h0.08% criminal limit; most provinces penalize from 0.05%Varies by province; learner licences usually from 16
Always check the official source. Driving123 is a learning guide, not legal advice. Traffic laws change and often vary by state, province or city. Each country page links to the official rulebook.