On Saturday, September 20, 2025, come visit the backstage of the future stations of the Grand Paris Express! For nearly 10 years, the construction of the Grand Paris Express has transformed the Ile-de-France landscape. You have surely already wondered what is hidden behind the fences of the future metro construction sites. As part of the European Heritage Days, the Major Projects Company and the companies in charge of the work are exceptionally opening 13 sites for future stations of the Grand Paris Express. The unique opportunity to visit these titanic construction sites and exchange with those who shape the metro of tomorrow. https://www.grandparisexpress.fr/evenements What? An exceptional opening day for 13 sites on 4 lines (15 Sud, 16, 17 and 18) of the Grand Paris Express under construction. Who? The Major Projects Company, in collaboration with construction companies. When? Saturday, September 20, 2025, from 09:30 to 17:30. Where? On 13 future stations of the Grand Paris Express How? Guided tours, free, accessible without registration. Why? See 'behind the palisade' and understand the daily life of construction sites. Discover the scope of the Grand Paris Express project and its future benefits. Meet those who build it. Practical information: Visit from 1h to 1h30 Reception, equipment and safety instructions Presentation of the Grand Paris Express, the station and the works. Secure route and guided tour to the docks Informations From 6 years old. Plan an outfit suitable for a site visit (closed shoes, legs and arms covered). The visit of future stations requires a good physical condition (many floors to climb on foot). Groups of 20/25 people maximum.

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