Passa CNH: Tests and Signs
Brazilian CNH theory exam prep and traffic signs, fully in Portuguese.
About Passa CNH: Tests and Signs
Passa CNH is a study app for Brazil's CNH driving theory exam (the "prova teórica do Detran"), built around the reformed 2026 exam format: 30 questions, 20 correct to pass, across the 4 content blocks. Passa CNH is an independent study app, not affiliated with Detran, Contran, or any government body.
The app is entirely in Brazilian Portuguese. It includes a timed practice exam, per-subject practice with law-referenced explanations for every question, a traffic-sign trainer, a mistake-review queue, and a readiness score.
If you are studying for the Brazilian CNH exam, this app is for you even without English. The interface is simple and visual, and every question comes with a clear explanation.
OFFICIAL SOURCES
All content is based on Brazil's public traffic legislation. Consult the original government sources:
Brazilian Traffic Code, Lei 9.503/97: https://www.planalto.gov.br/ccivil_03/leis/l9503compilado.htm
CONTRAN and Senatran resolutions: https://www.gov.br/transportes/pt-br/assuntos/transito
Passa CNH does not represent Detran, Contran, or any government entity.
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