Passenger operations begin on Nanning Metro Line 2 extension and Line 4, China November 26, 2020 | Asia Pacific News Nanning Rail Transit Group Company has commenced passenger services on Line 2 extension and Line 4 of the Nanning Metro network. The Nanning Metro network now spans 108 km and covers 80 stations. &nbs... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password