Transilien Line U

Suburban rail service around Paris Line U A Z 8800 train at Saint-Quentin-en-YvelinesOverviewOther nameLa Défense – La VerrièreTerminiLa DéfenseLa VerrièreStations11ServiceTypeCommuter railSystemTransilienOperatorSNCFDepotTrappesRolling stockZ8800Daily ridership55,000HistoryOpened1995TechnicalLine length31 km (19 mi)Track gauge1,435 mm (4 ft 8+1⁄2 in) vteTransilien Line U Legend to Rambouillet La Verrière Trappes St-Quentin-en-Yvelines Saint-Cyr Versailles Chantiers to Gare Montparnasse towards Massy–Palaiseau or Invalides to Versailles Rive Droite Chaville Rive Droite Sèvres Ville-d'Avray to Porte de Versailles Saint-Cloud Parc de St-Cloud Val d'Or Suresnes–Mont-Valérien Suresnes Longchamp Puteaux La Défense to Pont de Bezons to Paris-Saint-Lazare Transilien Line U, also known as "La Défense - La Verrière" or more often simply "ligne U", is a tangential commuter train link, which serves the western Paris region from La Défense. It links the Paris's business district of La Défense to La Verrière station, in the south-west of Ile-de-France. It is one of the two commuter train lines in the Transilien network that does not originate from a large Parisian station,