Alstom signs signalling contract with ViaMobilidade for CPTM, Brazil May 10, 2023 | Company News, Latin America Company News, Latin America News, News Alstom has signed a contract with the ViaMobilidade consortium to deploy a modern signalling system on Line 8 Diamond and Line 9 Emerald of the Sao Paulo Metropolitan Trains Company (CPTM). Alstom wi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password