Evaluation of Economic, Environmental and Safety Impact of At-Grade Railway Crossings on Urban City of Developing Country. Global Journals of Research in Engineering, [S. l.], v. 16, n. E4, p. 1–11, 2016. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1518. Acesso em: 21 jun. 2026.