Passenger service starts on Suzhou Tram Line 1 extension, China May 1, 2018 | Asia Pacific News Passenger services have commenced on the 7.6-km long extension of Suzhou Tram Line 1 in Jiangsu province, China. The extension connects Longkang Lu to Xiyang Mountain and covers four stations. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password