Exhibition· Paris
The Grand Exhibition of Line 18 at the Lumen, Sept 9th - Nov 5th, 2026
From September 9 to November 5, 2026, the Lumen hosts a free exhibition by the Société des grands projets about Line 18, the first new metro line built in Île-de-France in 30 years, which will link Massy to Saclay (and eventually Orly Airport to Versailles) starting in late 2026.