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 Class Z 22500 SNCF Class Z 22500 SNCF Class Z 22500 "Eole" is a type of double-decker, dual-voltage electric multiple units operated on the French RER E line, and originally on the Paris Saint-Lazare network. These trains have been built by GEC Alstom and ANF. The Z 22500 is also known as the SNCF version of the MI 2N. SNCF Class Z 22500 looks very similar to RATP Altéo trains, but many differences exist between these models, such as motorization and design of inner spaces. The lay-out of the carriages is somewhat unusual for a bi-level design. Each carriage has three entrance doors,