Metro do Porto and STCP to retender LRT and bus operations contract September 1, 2015 | Europe News Metro do Porto and bus company Sociedade de Transportes Colectivos do Porto (STCP) are retendering a 10-year concession to operate and maintain the light-rail transit (LRT) and buses in Portugal's sec... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password