Belgrano Sur Line, Argentina July 1, 2022 | Latin America Project Update, Project Update Key players: Operadora Ferroviaria Sociedad del Estado (SOFSE) is the operator and Trenes Argentinos Infraestructura (ADIF) is the developer. Project description: Modernisation of the Belgrano Sur co... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password