Spatial Data of Road Precariousness in Brazil R package precviasBR version 0.1.0 Fornece acesso eficiente à malha espacial de precariedade viária brasileira. O pacote realiza o download em cache e a leitura otimizada (via Apache Arrow) de arquivos Parquet particionados, contendo o cruzamento de variáveis de infraestrutura do Entorno do Censo Demográfico 2022 (IBGE) com a malha viária aberta do Overture Maps. [English] Provides efficient access to the spatial network of road precariousness in Brazil. The package performs cached downloads and optimized reading (via Apache Arrow) of partitioned Parquet files. These files contain the intersection of infrastructure variables from the 2022 Demographic Census (IBGE) with the open street network from Overture Maps. Methodology and datasets are detailed in Passos (2026) <doi:10.5281/zenodo.19711448>. Software Depends: R (>= 4.1.0) Imports: arrow, dplyr, rlang Suggests: sf Iara Passos <isteps.data@protonmail.com> Comprehensive R Archive Network (CRAN) Iara Passos [aut, cre] (ORCID: <https://orcid.org/0000-0003-2374-8663>) MIT + file LICENSE (https://CRAN.R-project.org/package=precviasBR/LICENSE) 2026-05-05 application/tgz https://CRAN.R-project.org/package=precviasBR doi:10.32614/CRAN.package.precviasBR