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Conference of the French Association for Tunnels and Underground Space
From 12 to 14
October 2026
AFTES, the French Association for Tunnels and Underground Space, will hold its 18th Congress from October 12 to 14, 2026, at the Grand Palais in Lille. Held every three years, this is the must-attend event for underground specialists, bringing together project owners, engineering firms, architects, urban planners, contractors, suppliers, safety and insurance professionals, and more.
The main theme of this year’s event aims to highlight how the underground sector is now capable of providing appropriate solutions to the many challenges of our time: “Facing Challenges: Underground Solutions”
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Lille Grand Palais is the unmissable venue for major events located in Lille, 60 minutes by TGV from Paris and very close to major European capitals such as Brussels (35 minutes) or London (1 hour 20 minutes). We offer solutions adapted to the specific needs of professional event organizers (trade fair, congress, symposium, seminar, conference, exhibition, convention, gala evening, workshop, product launch, roadshow, shareholder meeting, meeting, fashion show, international events…). Discover without further delay the different events to be organized at Lille Grand Palais, get help organizing your event in Lille or contact us for any quote request.
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