Administrador de Infraestructuras Ferroviarias
ADIF (, an acronym of Administrador de Infraestructuras Ferroviarias) is a Spanish state-owned railway infrastructure manager. This state owned company reports to the Ministry of Transport, Mobility and Urban Agenda. ADIF is charged with the management of most of Spain's railway infrastructure, that is the track, signalling and stations. It was formed in 2005 in response to European Union requirements to separate the natural monopoly of infrastructure management from the competitive operations of running train services. It is the legal successor of Renfe, Feve (Ferrocarriles de Vía Estrecha), and GIF (Gestor de Infraestructuras Ferroviarias). Founding . ADIF is the result of Railway Sector Act, which arises from the transposition of European Directives. It requires that large European national railway independently manage the infrastructure and trains on it. The ultimate goal was to allow any other rail operator operating on the network to do so on equal terms with the operator, in this case, Renfe, promoting free competition. The Renfe division became effective on 1 January 2005 between the two companies: A similar operation was conducted on 31 December 2012 with Feve, a company that managed the narrow gauge railways. ADIF took charge of all narrow gauge  infrastructures not transferred to the autonomous governments. Operations. ADIF is responsible for administrating rail infrastructures (tracks, stations, freight terminals, etc.), managing rail traffic distributing capacity to rail operators, and the collection of fees for infrastructure, station and freight terminal use