ZHENG, Liwei; YANG, Libo; ZHENG, Zhanji; WANG, Yanpeng; XU, Jin. Influence of Urban Underground Spiral Ramp Curve Design on Vehicle Running Performance. Promet - Traffic&Transportation, [S. l.], v. 38, n. 2, p. 340–357, 2026. DOI: 10.7307/ptt.v38i2.933. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/933. Acesso em: 26 feb. 2026.