São Paulo Commuter Rail, Brazil August 1, 2021 | Latin America Project Update Key players: Companhia Paulista de Trens Metropolitanos (CPTM) is the developer and operator of the commuter rail system. In April 2021, ViaMobilidade was appointed as the concessionaire of Lines 8 an... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password