Portugal on a Swiss Licence — Carry the IDP, Watch the Tolls

Much of Portugal will feel familiar to a Swiss driver — right-hand traffic, a 0.05 alcohol limit and a 120 km/h motorway ceiling are all exactly as you know them at home. The two things to sort out are a piece of paperwork your Swiss passport requires and a toll system that does not look like Switzerland’s vignette at all.

The licence detail Swiss drivers miss

Switzerland is outside the EU, and that changes the recommendation on paper. Your Swiss licence is widely recognised, but the safe move is to carry an International Driving Permit alongside it. Rental desks and roadside police treat the IDP as the certified translation of your licence, and producing it removes any argument at the counter or the kerb. Arrange it through the TCS before you fly; it cannot be issued in Portugal. Keep the IDP, your Swiss licence and your passport together.

Tolls without a vignette

Forget the Swiss motorway sticker — Portugal charges per journey. Most motorways use staffed booths or the Via Verde lane, but a group of routes (the former SCUT motorways) are electronic-only: no booth, just a gantry that photographs your number plate and expects the toll to be settled automatically. A Portuguese rental usually comes with a transponder fitted, but confirm it at the desk, because an unpaid electronic toll becomes a penalty notice rather than a missed booth.

The everyday numbers

Speed limits mirror home: 120 km/h on motorways, 90 rural, 50 in town, with fixed and mobile cameras enforcing them. A minor speeding fine sits around €60–300 by margin — the speeding fine calculator gives the figure. Fuel is steep at roughly €1.88/litre. The car must carry a warning triangle and reflective vest.

Confirm your exact permit position on the driving permit checker and read the full rule set on the Portugal driving guide. The emergency number across Portugal is 112.