Métro de Paris (Ligne 18)

Métro de Paris (Ligne 18)
Viaduc de la ligne 18 à Saclay en décembre 2023. © G.E.
Localisation
Pays	France
Départements	Yvelines (78), Essonne (91), Hauts-de-Seine (92)
Métropole	Métropole du Grand Paris
Agglomération	Paris
Réseau
Longueur du réseau	35 km
Nombre de stations	10
Historique
Première ouverture	2026

Présentation

• La ligne 18 du Métro de Paris est une future ligne de métro qui à l'horizon 2030 devrait relier Versailles-Chantiers l'aéroport d'Orly. Elle fait partie du Grand Paris Express.
• Elle a pour principale fonction de desservir le plateau de Saclay, qui est amené à devenir un pôle de recherche et de technologie majeur.
• Elle devrait être prolongée à Nanterre-La Folie à plus long terme.

Tracé

Chargement de la carte...

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	2030	Versailles-Chantiers - Christ de Saclay
	2026	Christ de Saclay - Massy-Palaiseau
	2027	Massy-Palaiseau - Aéroport d'Orly

Historique

• 04 au 22 05 2015 : Concertation
• 28 03 2017 : Déclaration d'utilité publique du tronçon Aéroport d'Orly - CEA—Saint-Aubin (Lien)

Futur

• octobre 2026 : Ouverture du tronçon Christ de Saclay - Massy-Palaiseau.
• 2027 : Ouverture du tronçon Massy-Palaiseau - Aéroport d'Orly.
• 2030 : Ouverture du tronçon Versailles-Chantiers - Christ de Saclay
• Projet de prolongement de Versailles-Chantiers à Nanterre-La Folie à plus long terme.

Liste des stations

Commune	Station	Correspondances
		Métro	Tramway/BHNS	RER/Transilien	Autres
Versailles	Versailles—Chantiers(2030)		(projet)		Gare de Versailles-Chantiers Lignes nationales à grande vitesse Lignes régionales •
	Satory(2030)
Guyancourt	Guyancourt(2030)
Saint-Aubin	Christ de Saclay(2026)
Orsay, Gif-sur-Yvette	Moulon Campus(2026)
Palaiseau	Marguerite Perey(2026)
Massy	Massy-Palaiseau(2026)				Gare de Massy TGV Lignes nationales à grande vitesse • Gare de Massy-Palaiseau Lignes nationales à grande vitesse
	Massy-Opéra(2027)
Antony	Antonypôle - Wissous-Centre(2027)
Paray-Vieille-Poste	Aéroport d'Orly(2027)				Aéroport d'Orly

Voir aussi

Sites SARA

• Fil sur la ligne 18 sur le Forum Sara

Liens externes utiles

• Site de la RATP