Transilien Line U

Line U
A Z 8800 train at Saint-Quentin-en-Yvelines
Overview
Other name	La Défense – La Verrière
Termini	La Défense La Verrière
Stations	11
Service
Type	Commuter rail
System	Transilien
Operator	SNCF
Depot	Trappes
Rolling stock	Z8800
Daily ridership	55,000
History
Opened	1995
Technical
Line length	31 km (19 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

Transilien Line U
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, along with the V. The line has 55,000 passengers per weekday in 2014.