STCP - Sociedade de Transportes Colectivos do Porto, E.I.M., S.A., is the largest and main public transport operator in the P ... orto Metropolitan Area. The company operates a vast network of public road transport, focusing its activity in the city of Porto and also covering the cities of Matosinhos, Maia, Valongo, Gondomar and Vila Nova de Gaia. STCP also operates a network of historic tramcars, with routes in the historic area of Porto. read more