Île-de-France
The densest network in France: the six major Paris termini, the five RER lines, the Transilien, the RATP metro and tramways, plus the Grand Paris Express works (lines 15, 16, 17 and 18) and the extensions of existing lines.
Services in Île-de-FranceHauts-de-France
The LGV Nord high-speed line and its extension to the Channel Tunnel, the Lille rail hub (Lille-Flandres, Lille-Europe), the Paris–Amiens–Boulogne line, the former mining basin and heavy freight traffic to the ports of Dunkirk and Calais.
Services in Hauts-de-FranceGrand Est
The LGV Est high-speed line, the Lorraine corridor (Metz–Nancy), the Strasbourg hub and the cross-border links to Germany, Luxembourg and Switzerland, with heavy freight traffic along the Rhine.
Services in Grand EstNormandy
The Paris–Rouen–Le Havre line, the HAROPA port rail links, the Paris–Caen–Cherbourg line and the planned Paris-Normandy new line (LNPN).
Services in NormandyBrittany
The Brittany–Pays de la Loire high-speed line to Rennes, the modernized Rennes–Brest and Rennes–Quimper lines, the Rennes automated metro and the port links at Brest, Lorient and Saint-Malo.
Services in BrittanyPays de la Loire
The Nantes rail hub, the LGV Atlantique to Le Mans, the Nantes–Angers–Paris line, the Nantes–Châteaubriant tram-train and the links to the port of Nantes Saint-Nazaire.
Services in Pays de la LoireCenter-Val de Loire
The POLT line (Paris–Orléans–Limoges–Toulouse) under modernization, the LGV Atlantique and the Tours / Saint-Pierre-des-Corps hub, and the Paris–Bourges–Montluçon line.
Services in Center-Val de LoireBourgogne-Franche-Comté
The Paris–Lyon–Mediterranean corridor (LGV Sud-Est and conventional line), the LGV Rhin-Rhône, the Dijon hub and the links to Switzerland via Besançon and Belfort.
Services in Bourgogne-Franche-ComtéAuvergne-Rhône-Alpes
The Lyon rail hub (Part-Dieu, Perrache), the LGV Sud-Est, the Alpine corridor (Grenoble, Chambéry, Annecy), the mountain lines of the Massif Central and the Alps, the Léman Express and the Lyon and Saint-Étienne metros and tramways.
Services in Auvergne-Rhône-AlpesNouvelle-Aquitaine
The South Europe Atlantic high-speed line to Bordeaux Saint-Jean, the Limousin section of the POLT line, the Bordeaux–Hendaye line to Spain, the GPSO project and the links to La Rochelle, Bayonne and Pau.
Services in Nouvelle-AquitaineOccitanie
The Toulouse Matabiau hub, the Nîmes–Montpellier bypass, the Perpignan–Figueras high-speed line to Spain, the Bordeaux–Toulouse line (GPSO project) and the mountain lines of the Pyrenees and the Massif Central.
Services in OccitanieProvence-Alpes-Côte d'Azur
The LGV Méditerranée to Marseille Saint-Charles, the Marseille–Toulon–Nice–Ventimiglia coastal line, the planned Provence Côte d'Azur new line (LNPCA), and the Marseille and Nice metros and tramways.
Services in Provence-Alpes-Côte d'AzurCorsica
The meter-gauge network of the Chemins de fer de la Corse (Bastia–Ajaccio and Bastia–Calvi), under modernization, with mountain sections, many tunnels and viaducts.
Services in Corsica