Passenger service starts on São Paulo Metrô Line 15 extension April 17, 2018 | Latin America News Companhia do Metropolitano de São Paulo (CMSP), the operator and developer of Sao Paulo Metro, has started partial operations on a 5.5-km long extension of Line 15, which is a monorail line. Th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password