Preliminary design of Shanghai Metro Jiamin Line approved, China June 17, 2021 | Asia Pacific News The environmental assessment and preliminary design of Jiamin Line of Shanghai Metro has been approved. This line will span 44.04 km (41.36 km underground, 2.68 km at-grade) and cover 15 stations (14 ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password