Driving in Ireland as a United Kingdom National
Ireland drives on the left with narrow country roads, scenic coastal routes like the Wild Atlantic Way, and roundabouts at every turn. US, EU, and UK license holders do not need an IDP.
Key Things to Know First
Ireland generally accepts foreign licences for short-term visitors. Carry your original licence and passport at all times.
Both United Kingdom and Ireland drive on the left. No adjustment needed.
United Kingdom uses mph, but Ireland uses km/h. Verify your GPS or navigation app is set to the correct unit.
Side-by-Side Comparison
| Rule | United Kingdom | Ireland | Change? |
|---|---|---|---|
| Traffic side | Left-hand traffic | Left-hand traffic | Same |
| Speed unit | mph | km/h | Yes |
| IDP required | — | No | No |
| Min. driving age | 17 | 17 | Same |
| Emergency number | 999 | 112 or 999 | Different |
| Road difficulty | Moderate | Moderate | — |
Speed Limits in Ireland
Speed limits in Ireland are posted in km/h (kilometres per hour). Quick reference: 50 km/h ≈ 31 mph · 100 km/h ≈ 62 mph · 130 km/h ≈ 81 mph.
Documents to Carry in Ireland
- Original driving licence from United Kingdom — must be valid and unexpired
- Passport or national ID — carry at all times while driving
- Car insurance certificate — verify it covers Ireland before departure
- Vehicle registration / rental agreement
Emergency Number in Ireland
Primary emergency number in Ireland. Save it before you drive.
Emergency numbers for all countriesFull Ireland Driving Guide
Road rules, toll system, fuel types, parking, regional quirks — everything you need for driving in Ireland.
Read the complete guide