Technical analysis of urban drainage problems on the street Rio Grande do Norte of Açailândia – Maranhão considering the slope of the road and its impact on water drainage in rainy periods. Research, Society and Development, [S. l.], v. 12, n. 2, p. e9912240010, 2023. DOI: 10.33448/rsd-v12i2.40010. Disponível em: https://rsdjournal.org/rsd/article/view/40010. Acesso em: 5 dec. 2025.