What is SNCF?
{{Infobox rail |railroad_name = Société nationale des chemins de fer français |logo_filename = |logo_size = 150px |system_map = Carte TGV.svg |map_caption = Map of the French railways on which the [[TGV]] (LGV: blue; normal tracks: black) and [[Intercités]] (grey) SNCF trains run. |map_size = |marks = [[TGV]], [[Intercités]], [[Transport express régional|TER]], [[Transilien]], [[Ouigo]], [[Eurostar]], [[TGV Lyria]] |image = |image_size = 250px |image_caption = [[TER Provence-Alpes-Côte d'Azur|TER PACA]] service west of [[Marseille]] |locale = [[France]] |start_year = 1938 |end_year = present |predecessor_line = [[Compagnie des chemins de fer du Nord]]<br />[[Administration des chemins de fer d'Alsace et de Lorraine]]<br />[[Compagnie des chemins de fer de Paris à Lyon et à la Méditerranée]]<br />[[Compagnie du chemin de fer de Paris à Orléans]]<br />[[Chemins de fer du Midi|Compagnie des chemins de fer du Midi et du Canal latéral à la Garonne]]<br />[[Compagnie des chemins de fer de l'Est]]<br />[[Chemins de fer de l'État|Administration des chemins de fer de l'État]] |successor_line = |gauge = {{RailGauge|1435mm}} and {{RailGauge|1000mm}} |old_gauge = |electrification = |length = {{convert|29273|km|mi|abbr=on}} |hq_city = [[Saint-Denis, Seine-Saint-Denis|Saint-Denis]], France |website = [https://www.sncf.com www.sncf.com] }} {{Infobox company | name = Société nationale des chemins de fer français (SNCF) | logo = | founder = [[Government of France]] | type = [[State-owned enterprise|State-owned]] [[S.A. (corporation)|société anonyme]]<br>[[Établissement public à caractère industriel et commercial|EPIC]] between 1983 and 2019<ref>[https://www.sncf.com/en/group/profile-and-key-figures/about-us/sncf-2020-new-group SNCF was reorganized from three EPICs to a holding company effective 1 January 2020.] The official name of the surviving holding company remains ''Société nationale d