Mexico on a French Licence — Topes, Toll Roads & No IDP Fuss

Let’s clear the paperwork first, because it’s the part French drivers tend to over-worry. Your French licence is accepted for tourist driving in Mexico, and no International Driving Permit is legally required. A few rental firms request one as their own policy, so glance at your booking conditions, but you are not driving illegally without it — carry your French licence and passport and you’re set. If you want to be certain for your booking, the Driving Permit Checker confirms it.

The thing that actually catches you out is under the wheels. Mexico’s free roads are studded with topes — speed bumps, but a far more aggressive species than the gentle ralentisseurs back home. They’re often tall, frequently unpainted, and routinely placed with no warning sign at the edge of every village and at pedestrian crossings. Take one at French rural-road pace and you’ll bottom out the car or worse. The habit to build is simple: the moment a free road approaches anything resembling a settlement, ease off and scan the tarmac. The roads themselves split into two worlds — the cuotas (toll motorways) are smooth, fast and genuinely expensive, while the libres (free roads) are slow, rougher and where the topes live. For real distance, paying the toll is usually the sensible call.

Mexico drives on the right, exactly like France, so there’s no side switch to relearn — your orientation transfers directly. Speeds run lower, though: toll motorways cap around 110 km/h against the 130 you’re used to, rural roads at 80 and towns at 40. Enforcement varies sharply by state, and a 10 km/h overage costs roughly MXN 870-1,700 (≈ €45-90) depending where you are. Estimate yours on the speeding fine calculator.

On alcohol, the limit is 0.08 BAC — looser than France’s 0.05 — but it varies by state and roadside breath checks (alcoholímetros) are common in Mexico City and tourist hubs, so don’t read the higher number as licence to drink.

The car should carry a warning triangle, first-aid kit and fire extinguisher. Petrol is cheap at about $1.12/litre, and 911 is the national emergency number, just as it reads. For state-by-state detail, see our Mexico driving guide.