Passenger services begin on multiple urban rail lines in China December 28, 2020 | Asia Pacific News Passenger services have commenced on multiple metro lines in Nanchang, Ningbo, Qingdao, Taiyuan, Xi’an, and Zhengzhou. These lines collectively span around 300 km. These include Line 3 (28.69 km... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password