The USA for Brazilian Drivers — Where State Lines Change the Rules

The mistake Brazilian drivers make about the United States is treating it as one country with one rulebook. It is fifty, and driving law is written state by state. Cross from one to the next and the speed limit, the paperwork the police want, even whether you can turn right on red can all change without any announcement. That is the single thing to plan around, because the rest — wide roads, automatic cars, driving on the right as at home — is genuinely easy.

Take the licence. Some states wave a foreign licence through for a short visit; others want a 1968 International Driving Permit alongside it. Rather than research each state on your route, simply carry the IDP with your Brazilian licence and passport and you are covered everywhere. Right-turn-on-red is the classic trap: legal after a full stop in most states, banned in others and in many city centres, so do it only where a sign confirms it. Speed limits jump around too — interstates commonly run 65–75 mph (about 104–120 km/h) but vary by state and stretch.

On alcohol, correct your instinct before you go. You might expect the US to be tougher than home; it is the opposite. The federal limit is 0.08, well above Brazil’s near-zero Lei Seca. That is not a licence to drink and drive — DUI penalties are harsh and a stop escalates fast — but the rule is looser than you may assume, so the only safe policy is none.

Fines for speeding are set locally and run from roughly USD 50 to USD 200 depending on the state and the overage. Fuel is cheap by Brazilian standards at around USD 0.95 a litre — budget a long road trip with our Fuel Cost Calculator. Your Brazilian licence is generally good for up to three months; confirm the IDP position with our Driving Permit Checker, and read the state-by-state notes on our United States driving guide. The emergency number everywhere is 911.