STM contracts Ground Transportation Systems for Blue Line CBTC, Canada February 14, 2024 | Company News, Finance, News, North America Company News, North America Finance, North America News Société de transport de Montréal (STM) has contracted Ground Transportation Systems Canada Inc. for providing the new communications-based train control (CBTC) system of the Blue Line Extension of th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password