Trials of four metro lines begin in China September 1, 2020 | Asia Pacific News Trials have commenced on Fuzhou Metro Line 1 Phase II, Hefei Metro Line 5 (southern section) and Qingdao Metro Line 1 (northern section) and Line 8 (northern section). The duration of each trial will ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password