The €2.71bn (US$3.04bn) contract, awarded by Société du Grand Paris, covers turnkey engineering and construction of 14km of tunnels, five stations (Saint-Cloud, Rueil-Suresnes Mont-Valérien, Nanterre La Boule, Nanterre La Folie and La Défense), a set of tail tracks and 16 service buildings.
Line 15 West will extend Line 15 South and connect to Transilien Lines L and U at Saint-Cloud and at La Défense, RER Line E at Nanterre La Folie, and RER Lines A and E, metro Line 1 and Transilien tramway Line T2 at La Défense. This section is expected to open in late 2031.
The consortium says it plans to reduce its environmental footprint during construction, including using mainly low carbon concrete.
The Intencités15 consortium comprises Vinci Construction subsidiaries (Vinci Construction Grands Projets, Chantiers Modernes Construction, Dodin Campenon Bernard, and ETF), Vinci Energies (SDEL Infi), Razel-Bec, Fayat Energie Services, Ingérop, Artelia, JFS Architectes, Grimshaw, AREP Architectes, Archi 5 Prod and Philippe Gazeau Architecte.
The Grand Paris Express – Europe’s largest sustainable transport project – will extend the French capital’s metro and light rail network by 200km, improving connections between the city centre and suburban areas. It includes the extension of the existing Line 14 of the Paris Metro towards the north and south, and the construction of four new Lines 15, 16, 17 and 18.