SNCF Class Z 50000 SNCF Class Z 50000 The SNCF Z 50000 is an electric multiple unit train built by Bombardier Transportation (manufacturer's designation SPACIUM 3.O6) for the French rail operator SNCF, for use under Transilien operations in the Île-de-France. It is commonly called ‘Francilien’, and sometimes ‘NAT’ (for , which was its project name). In 2004, the STIF (regional transit authority) began the tendering process for approximately 180 new EMUs to replace SNCF's aging stainless-steel single-deck suburban fleet. This stock nicknamed "inox " (short for "[acier] inoxydable": stainless steel) comprised EMUs Classes Z 5300, Z 6100, Z 6400 and similar push-pull trainsets known
SNCF historically significant: for the first time in the history of SNCF their headquarters is no longer located within the city limits of Paris. From 1999 to 2013, SNCF's headquarters were located in the Montparnasse neighborhood of the 14th arrondissement of Paris, located near the Gare Montparnasse. Prior to 1999, the SNCF's historic headquarters was located at 88 Rue Saint-Lazare in the 9th arrondissement. In 1996 the chairman of SNCF, Louis Gallois, announced that SNCF would move its headquarters to a new location during the middle of 1997. Since 1 January 2015 SNCF consists of three divisions: SNCF has full or