Siemens and Invensys Rail JV secure CBTC contract for Crossrail November 14, 2012 | Europe Company News A joint venture of Siemens and Invensys Rail has secured a GBP50 million contract from Crossrail to install a communications-based train control (CBTC) system on the central section of the under-const... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password