General Manuel Belgrano Railway projects to run passenger services between La Quiaca and San Salvador de Jujuy, both cities in Jujuy Province. The main lines departed from Retiro station in Buenos Aires to the north through the provinces of Buenos Aires, Santa Fe, Córdoba, Santiago del Estero, Tucumán, Chaco, Formosa, Salta, Jujuy, San Luis, Mendoza, San Juan, La Rioja and Catamarca. In 1876, Ferrocarril Central Norte started services from Córdoba to Tucumán. It was the first metre gauge in Argentina, mainly due to economic reasons. It had been built by the Argentine State to expand Central Argentine Railway network (Rosario-Córdoba), a British-owned company by
Provinces of Argentina Congressional decision—and the President appoints a representative or intervenor, who will serve for a short time until the emergency is solved. Since 1983 four provinces were intervened, namely Catamarca, Corrientes (twice), Santiago del Estero (twice) and Tucumán. During the 20th century, some provinces have had governments traditionally controlled by a single family (i.e. the Saadi family in Catamarca, or the Sapag family in Neuquén); in one case, it is still the situation as of 2009: the Province of San Luis was ruled almost without a break by the Rodríguez Saá family since December 1983. Article 61 of the Constitution of