Siemens to install CBTC in Suzhou and Nanjing Metro lines, China November 7, 2018 | Asia Pacific News Siemens has secured a contract to install the fully automated Trainguard MT communication-based train control (CBTC) signalling system on Suzhou Metro Line 5 and Nanjing Metro Line 7, which are schedu... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password