The 18th International Congress AFTES 2026

Public & Private Clients (Project Owners), Engineering & Construction Companies, Tunneling & Drilling Equipment, Structural & Safety Solutions, Tunnel Monitoring & Smart Technologies, Consulting & Engineering Firms, Academic & Research Institutions, Technological Innovations & New Technologies in Underground Construction, Sustainable Solutions for Environmental Challenges, Underground City & Urban Management Applications, Worker Safety & Occupational Health in Underground Environments, Large-scale Underground Projects, Financial & Organizational Challenges, The Future of Underground Infrastructure, Flexibility, Resilience & Innovations, Tunneling & Underground Construction Associations, Safety & Regulatory Bodies, Infrastructure Investment Funds, Public-private Partnerships (PPPS)
Organised by the French Tunnel and Underground Space Association (AFTES), the 18th AFTES International Congress 2026 is the must-attend event for all those involved in underground engineering, bringing together experts, manufacturers, contractors and public policy makers for three days of exchanges, innovation and business opportunities. Held every three years, the event features an international exhibition, technical conferences overseen by the Scientific Committee, and speaking opportunities in secondary rooms hosted by the sponsors. The programme also includes an opening ceremony, welcome reception, gala evening, business lunches and networking coffee breaks, encouraging strategic encounters and new collaborations. Whether you want to exhibit, sponsor or attend as a delegate, the 18th AFTES International Congress 2026 is the key event for learning new things, exchanging ideas and developing your business in the underground sector.