SNCF main business of the SNCF Group, which in 2017 had €33.5 billion of sales in 120 countries. The SNCF Group employs more than 260,000 people. Since July 2013, the SNCF Group headquarters are located in a Parisian suburb at 2 Place aux Étoiles in Saint-Denis. The President of the SNCF Group is Guillaume Pepy. SNCF operates almost all of France's railway system, including the TGV ("Train à Grande Vitesse", meaning "High-speed train"). In the 1970s, the SNCF began the TGV high-speed train programme with the intention of creating the world's fastest railway network. It came to fruition in 1981, when
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,