How to Pay Tolls in Brazil Without a Tag

The gantry reads the plate, not a card

Brazil calls it sistema de livre passagem — free-flow — and it has had its own statute since 2021. The mechanism is simple and it removes the thing foreign drivers expect: there is no lane, no attendant, nothing to stop for.

The federal regulator sets what the equipment must do. Each crossing generates a record with plate, date, time, place, tariff category, amount and an image of the vehicle, stored for five years. The gantries must be available 98% of the month and read plates automatically at least 95% of the time.

The identification runs two ways: by tag or by plate. With a tag, the toll debits automatically. Without one, the regulator's own answer is that you pay afterwards, on the operator's website or app, with the plate as your reference.

Without a tag, the clock is thirty days

This is the number to hold on to. On federal free-flow stretches, no charges are added for 30 days after you pass. After that window, interest and penalties may apply.

And non-payment is not just a debt. The same 2021 law created article 209-A of the traffic code, which penalises both evading the charge and failing to pay it in the established form. The statute even ties the proceeds back to the operator's lost revenue.

⏰ Right now, that penalty is suspended. The federal regulator suspended the issuing of these fines for 200 days, and during that window paying the outstanding toll cancels the fine automatically — no request needed. This is a temporary measure with an end date, so treat it as the state of things today rather than the rule.

In a rental car, the plate is not yours

Here is the part that catches visitors, and no rental counter volunteers it.

A rental car carries the rental company's plate. The free-flow charge is raised against the plate, so it reaches them, not you — and they recover it from you afterwards, typically with an administrative fee on top, under the terms you signed.

Three practical consequences. You may not know you crossed a gantry until a charge appears days or weeks later. The 30-day grace period is the company's, not yours — what you pay is whatever the contract says. And the charge can land after you have flown home, on the card held for the security deposit, which is one more reason that hold matters more than the daily rate.

Ask at the counter whether the vehicle has a tag fitted and how tolls are billed. It is a fair question and the answer changes what the trip costs. What the rental protection does not cover is a separate list, and worth reading in the same sitting.

Where it exists, and why the list moves

Free-flow began on federal concessions, and the regulator publishes the stretches. But the list is expanding quickly: during 2026 a wave of authorisations extended it to state-level concessions, including several in São Paulo and one in Rio Grande do Sul.

The practical rule is therefore not a list to memorise but a habit: a route that had toll booths on a previous trip may not have them now. If you drive a stretch you do not know, assume a gantry is possible and check the operator's site afterwards using your plate — or the rental company's, if the car is not yours.

None of this affects whether you may drive here at all, which is settled separately: driving in Brazil as a foreigner, and specifically with a US licence, with a UK licence, or whether the international permit is needed. Nor does it touch insurance — compulsory vehicle insurance in Brazil is not what you would expect. For the money side, an online toll payment is easier with a working payment method than with cash.

Sources

• Law 14,157/2021 — establishes free-flow tolling and ties the penalty to the operator's lost revenue. Accessed September 4, 2026.
• Brazilian Traffic Code, article 209-A — evading or failing to pay the toll as a traffic offence. Accessed September 4, 2026.
• ANTT, free-flow regulation consolidated in March 2026 — payment methods for drivers without a tag, the 30-day window, the data stored per crossing, and the equipment performance floor. Accessed September 4, 2026.
• ANTT, free-flow frequently asked questions — identification by tag or plate, the list of stretches, and the 200-day suspension of fines with automatic cancellation on payment. Accessed September 4, 2026.

What we could not verify

• The complete current list of free-flow stretches. The federal regulator publishes federal concessions, but authorisations issued during 2026 extended the system to state concessions that do not appear on that page. We could not find one consolidated national list.
• What each rental company charges to pass a toll through. The mechanism is contractual and the fee is not published on the requirements pages we checked.
• What happens after the 200-day suspension ends. The measure has a term; no act we found says what replaces it.
• Whether a foreign-registered vehicle can be billed at all. The system is built around the Brazilian plate database, and we found nothing addressing vehicles entering by land from a neighbouring country.