Access audit of orange line metro train: For barrier free mobility of persons with Disabilities (PWD’s) using universal Design principles (UDP). Journal of Accessibility and Design for All, [S. l.], v. 16, n. 1, p. 44–59, 2026. DOI: 10.17411/jacces.v16i1.677. Disponível em: https://www.jacces.org/index.php/jacces/article/view/677. Acesso em: 12 may. 2026.