Xi’an Yunba Line opens; trials begin on Xi’an Metro Line 10, China August 13, 2024 | Asia Pacific News, News Xi'an Yunba Transportation Operation, the metro system in Xi’an, Shaanxi Province, has commenced passenger services on the Xi’an Yunba Line, a low-capacity urban rail system in Xi’an. Developed by BYD... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password