Contract awarded for track and catenary works for Grand Paris Express Line 17, France April 4, 2023 | Company News, Europe Company News, Europe News, News The Colas Rail and Alstom consortium has secured a contract from Société du Grand Paris (SGP) to supply the track, the rigid overhead catenary system, and linear equipment for the second section of th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password