Communauté d'agglomération Paris-Saclay
# Communauté d'agglomération Paris-Saclay

48°42′29″N 02°10′33″E﻿ / ﻿48.70806°N 2.17583°E﻿ / 48.70806; 2.17583

The Communauté d'agglomération Paris-Saclay (or CPS) is an administrative entity in the Essonne département, near Paris. The administrative center is Orsay. It was formed on 1 January 2016 by the merger of the former Communauté d'agglomération du Plateau de Saclay (CAPS) and the Communauté d'agglomération Europ'Essonne(E²). Its area is 185.9 $km^2.$ Its population was 314,169 in 2018.

## Geography

### Location

The Communauté d'Agglomération Paris-Saclay is located at the north-west of the département of Essonne, on the plateau de Saclay. The altitude is between 47m (154') in Palaiseau and 172m (564') in Gif-sur-Yvette.

### Communes

The Communauté d'Agglomération Paris-Saclay consists of the following communes:

* Ballainvilliers
* Bures-sur-Yvette
* Champlan
* Chilly-Mazarin
* Épinay-sur-Orge
* Gif-sur-Yvette
* Gometz-le-Châtel
* Igny
* Linas
* Longjumeau
* Marcoussis
* Massy
* Montlhéry
* Nozay
* Orsay
* Palaiseau
* Saclay
* Saint-Aubin
* Saulx-les-Chartreux
* Les Ulis
* Vauhallan
* Verrières-le-Buisson
* Villebon-sur-Yvette
* La Ville-du-Bois
* Villejust
* Villiers-le-Bâcle
* Wissous

## History

* At first, the syndicat intercommunal du plateau de Saclay (SIPS) was founded in 1988.
* The 6 December 1991, it became the district du plateau de Saclay (DIPS).
* It became a Communauté de communes then, in 2002, a Communauté d'agglomération.
* Before, communes of Bièvres in Essonne, Buc, Châteaufort, Jouy-en-Josas and Les Loges-en-Josas in Yvelines was in the district.
* In 2004, Gometz-le-Châtel integrates the CAPS.
* In 2010, the CAPS adheres at the syndicat mixte Paris Métropole.

## Transportation

### Mass transit

Passenger rail service is provided in the community by RATP and Transilien SNCF in several RER stations in the Paris-Saclay University campus :

* Orsay-Ville station, RER B;
* Massy-Palaiseau station, RER B & C;
* Jouy-en-Josas station (HEC Paris), RER C and future T12;
* Lozère - École Polytechnique station, RER B;

And more in the Paris-Saclay and Versailles research campus :

* Saint-Quentin-en-Yvelines station, RER C and Transilien line N and line U;
* Versailles-Chantiers station, RER C and TER services.

### Rail

The Paris-Saclay community has the LGV Atlantique high-speed rail line serving the Massy TGV station.

### Buses

Transports in the Paris-Saclay community is managed by Paris-Saclay Mobilités and provided by Transdev and Keolis.

Long-distance bus service is provided by BlaBlaBus and Flixbus at Massy-Palaiseau RER and SNCF TGV station.

