Companhia Paulista de Trens Metropolitanos

Companhia Paulista de Trens Metropolitanos (CPTM) (English: São Paulo Metropolitan Train Company) is a commuter rail company owned by the São Paulo State Secretariat for Metropolitan Transports. It was created in 1992 from several railroads that already existed in Greater São Paulo, Brazil.

Part of the Greater São Paulo rail network, CPTM has 89 stations in six lines, with a total length of 260.8 kilometres (162.1 mi). It is one of the busiest rail networks in the world, carrying over 2 million passengers a day.