the growing town was formally reestablished with its original name, "tafí viejo", on june 2, 1939. following the railways' nationalization by president juan perón in 1948, the facility was modernized and expanded; during the 1950s, it employed over 5,600 workers, who turned out 24 freight cars, 11 passenger cars and two steam locomotives monthly. in the interest of trimming the state-owned railways concern "ferrocarriles argentinos"' chronic deficits, however, the dictatorship at the time had the facility closed in 1980, dealing tafí viejo a serious economic blow.