Operadora Ferroviaria Sociedad del Estado Operadora Ferroviaria Sociedad del Estado Operadora Ferroviaria Sociedad del Estado (abbreviated SOFSE; trading name: Trenes Argentinos Operaciones) is an Argentine State-owned company created in 2008 to operate passenger services in Argentina. It is a subsidiary of the Ferrocarriles Argentinos holding company. Since March 2015 SOFSE has run the Buenos Aires commuter rail services Mitre, San Martín, Roca and Belgrano Sur lines previously operated by private companies. After the Railway privatisation in Argentina at the beginning of the 1990s the railway assets that had not given in concession were taken over by Ferrocarriles Argentinos before being dissolved. From 1996 to 2000
Operadora Ferroviaria Sociedad del Estado Corredores Ferroviarios to operate the lines. In January 2016, the Ministry of Transport ceased operations over services to La Pampa Province. The Government took the decision based on the low demand of the Santa Rosa–General Pico line and the poor conditions of some bridges that had been deteriorated after the flooding in August 2015. In June 2016, the Buenos Aires–Rosario service extended operations to Rosario Norte Station (located at the north of the city, closer to the downtown) instead of Rosario Sur, which had been terminus until then. The following is a list of services operated by Operadora Ferroviaria in