SNCF Infra to combine rail infrastructure into a single organisation, Gestionnaire d'Infrastructure Unifié, or GIU. SNCF Infra has a number of subsidiaries, including SYSTRA, and the Direction de la Circulation Ferroviaire (DCF), a nominally independent body which manages traffic on behalf of RFF. On 1 January 2015, Réseau ferré de France (RFF) merged with SNCF Infra and the Direction de la circulation ferroviaire (DCF) and became "SNCF Réseau". SNCF Infra SNCF Infra was the infrastructure division of SNCF, the former nationalised railway operator in France. It has 51,000 employees and revenue was €5.5Bn in 2012. In order to comply with EU regulations
SNCF Class BB 12000 engines can support a very large overload current of 1800 amps, well over the 1000 amp design. They suffered very little wheel slip; they could pull 1756 tonnes trains on a 10 ‰ grade and 2885 tonnes trains on a 5 ‰ grade. The locomotives had few flaws, none of which related to the electrical components. They had cramped cabins, poor braking and couldn't work as multiple-unit sets. SNCF Class BB 12000 The SNCF Class BB 12000 were electric locomotives operated by SNCF. The first examples arrived on the railway in 1953, operating on the 25 kV 50 Hz line