SNCF Class BB 27300 the number carried on the locomotive is prefixed with the number 8, to denote the unit as belonging to the Île-de-France division of SNCF. The first locomotives entered service in 2006 on suburban trains from Paris Montparnasse railway station. Current deployment sees a total of 25 locomotives operating services from Paris-Montparnasse on trains to Dreux, Mantes-la-Jolie and Rambouillet. At Montparnasse they have displaced older SNCF Class BB 8500 and BB 25500 locomotives. A further 42 locomotives operate from Paris Saint-Lazare railway station on trains to Poissy, Mantes-la-Jolie, Pontoise, Gisors, and Ermont Eaubonne. At Saint-Lazare BB 8500 and BB 17000 locomotives
SNCF BB 1-80 SNCF BB 1-80 The SNCF locomotives BB 1 to BB 80 were a class of 1500 V DC 4-axle electric locomotives originally built for the Chemin de Fer de Paris à Orléans in the 1920s. The locomotives were originally numbered E.1 to E.80 prior to the Paris and Orleans railway company's incorporation into the Société Nationale des Chemins de fer Français (SNCF) in 1937. The locomotives were used on both passenger and freight services, particularly in the suburbs of Paris. Between 1948 and 1950 28 of the class were sent to the depot at Chambéry to help with increased traffic