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• New look, with four tabs: Início, Estudar, Placas and Prova. The Início tab shows your next step. • In Settings, pick the appearance: Dia, Noite or the system's. • The 30 practice exam questions now follow each block's share of the Banco Nacional de Questões. • The practice exam timer always stays in view. • Many signs are sharper, redrawn from the CONTRAN manual. • Usage statistics and error reports now have separate controls, in Privacy options.
Brazilian CNH theory exam prep and traffic signs, fully in Portuguese.
Passa CNH is an independent study app for Brazil's CNH driving theory exam. It is not affiliated with any Detran, nor with CONTRAN, Senatran or any other government body. The sources of all its content are listed at the end of this description. The app is entirely in Brazilian Portuguese and follows the 2026 exam format: 30 questions covering 4 content blocks, with 20 correct answers needed to pass. It includes a 30-question practice exam with 60 minutes on the clock, practice by block with a law-referenced explanation for every question, 44 short lessons, 167 traffic signs, a queue that brings back the questions you miss, and a block-by-block view of your progress. It works offline. CONTENT SOURCES Everything the app teaches comes from laws, resolutions and manuals published by Brazil's federal government: • Brazilian Traffic Code (Lei nº 9.503/1997): https://www.planalto.gov.br/ccivil_03/leis/l9503compilado.htm • Annex II of the Traffic Code, with the sign artwork: https://www.planalto.gov.br/ccivil_03/leis/1995_1997/anexo/ANL9503-97.pdf • Lei nº 15.153/2025, on the drug test: https://www.planalto.gov.br/ccivil_03/_ato2023-2026/2025/lei/l15153.htm • CONTRAN Resolution nº 1.020/2025, with the theory exam rules (30 questions, 20 correct answers, at least one hour): https://www.gov.br/transportes/pt-br/assuntos/transito/conteudo-contran/resolucoes/Resolucao10202025.pdf • Senatran Ordinance nº 923/2025, with the 4 content blocks: https://www.gov.br/transportes/pt-br/assuntos/transito/arquivos-senatran/portarias/2025/Portaria9232025.pdf • Brazilian Traffic Signage Manual (MBST), by CONTRAN: https://www.gov.br/transportes/pt-br/assuntos/transito/senatran/manuais-brasileiros-de-sinalizacao-de-transito • Other CONTRAN resolutions cited in the explanations: https://www.gov.br/transportes/pt-br/assuntos/transito/conteudo-Senatran/resolucoes-contran