São Paulo Metrô Line 4 opens new station, one more by December 2019 October 28, 2018 | Latin America News ViaQuatro, the operator of São Paulo Metrô Line 4, has started partial operations on the São Paulo-Morumbi metro station. Initially, the station will operate for five hours daily. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password