Line 18 of the Ile-de-France metro will connect Orly Airport (94) to Versailles Chantiers (78) in three phases: the first from Massy Palaiseau to Christ de Saclay, the second from Massy Palaiseau to Orly Airport, in connection with line 14, and the third from Christ de Saclay to Versailles - Chantiers.
This new fully automatic line will meet the travel needs of residents, students, researchers and employees who live, study or work nearby, particularly in Antony, Massy, on the Saclay plateau, in Saint-Quentin-en-Yvelines and Versailles.
Plan

Key-Figures
110 000
30 mn
35 km
10
3 minutes
Calendrier
- 2010-2011Débat public
- 2015Concertation
- 2016Enquête publique
- 2017Déclaration d’utilité publique
- Aujourd'hui2018-2030Travaux
- Horizon 2026Mise en service entre Massy Palaiseau et Christ de Saclay
- Horizon 2027Mise en service entre Massy Palaiseau et Aéroport d’Orly
- Horizon 2030Mise en service entre Christ de Saclay et Versailles Chantiers