Evaluation of design elements and the state of conservation of the unpaved road section in the state of pernambuco, brazil. Research, Society and Development, [S. l.], v. 9, n. 9, p. e602997501, 2020. DOI: 10.33448/rsd-v9i9.7501. Disponível em: https://rsdjournal.org/rsd/article/view/7501. Acesso em: 5 dec. 2025.