Unidad de Gestión Operativa Ferroviaria de Emergencia Unidad de Gestión Operativa Ferroviaria de Emergencia Unidad de Gestión Operativa Ferroviaria de Emergencia (UGOFE) was a temporary consortium of Argentine companies formed on 7 January 2005 by Ferrovías, Metrovías and Trenes de Buenos Aires to take over the running of commuter railway services in Buenos Aires after concessions granted to Metropolitano in 1994 for the operation of these services were revoked. Metropolitano, a company formed in 1994 to take over rail concessions granted by the Argentine government, as part of railway privatisation during the presidency of Carlos Menem, operated commuter rail services over Línea San Martín, Línea Roca and
Fiat Ferroviaria Fiat Ferroviaria Fiat Ferroviaria was the rail division of FIAT of Italy. It was founded in 1880 as Società Nazionale Officine di Savigliano. Fiat Ferroviaria began building locomotives in the 1930s. It became part of FIAT in 1970. Fiat Ferroviaria acquired the rail business of SIG of Switzerland in 1995 forming the subsidiary Fiat-Sig. The company had previously owned Argentine company Materfer until 1998, which now operates as an independent company. It was taken over in 2000 by the French Alstom, which continues to produce and support many of Fiat Ferroviaria's products. During the 60s-70s Fiat Ferroviaria developed tilting technology