Comboios de Portugal (CP) class 592 3-car diesel unit 592-220/210/219 in one of the north-facing bay platforms at Porto-Campanhã ready to work `Celta` train C421, the 08:13 departure to Vigo Guixar in Spain. This border crossing sees two return train pairs per day. Class 592 are owned by RENFE (Red Nacional de Ferrocarriles Españoles, Spanish National Railways) but leased to CP.