Wikipedia has this to say about Sao Paulo's Line 11: "Line 11 (Coral) is a line of the Companhia Paulista de Trens Metropolitanos (CPTM) commuter rail system in São Paulo, Brazil. CPTM Line 11 (Coral) is known as the East Express (Portuguese: Expresso Leste) from Luz station to Guaianases station, where it is necessary for passengers to switch trains. There is no charge for the connection between the two lines at Guaianases station."
These photos were submitted by LOAdS.