Guiyang Metro Line 1 and Hefei Metro Line 2 start service, China December 29, 2017 | Asia Pacific News Guiyang Urban Rail Transit Corporation has commenced passenger service on Guiyang Metro Line 1 (east-west line) in China. The line spans 12.8 km from Xiamaixi to Guiyang North, covering 10 stations. C... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password