Airport Express Metro Line to commence operation in Chengdu, China September 6, 2017 | Asia Pacific News The Phase 1 of the Airport Express Line (Line 10) of Chengdu Metro has commenced operations in China. The line spans 10.1 km from Taipingyuan (terminus of Line 3) to the Chengdu Shuangliu Internationa... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password