Renfe Operadora (Spanish pronunciation: [ˈreɱfe opeɾaˈðoɾa]) is the state-owned company which operates freight and passenger trains on the 1,668 mm (5 ft 5 21⁄32 in) Iberian gauge, the 1,435 mm (4 ft 8 1⁄2 in) standard gauge and the 1,000 mm (3 ft 3 3⁄8 in) metre gauge networks of the Spanish national railway infrastructure company Adif (Administrador de Infraestructuras Ferroviarias—Railway Infrastructure Administration).