CEN (European Committee for Standardization) COB (Centrum Ondergronds Bouwen) CORDIS (The information service of the European Commission) DARTS (Durable and Reliable Tunnel Structures) FIB (Federation International du Beton) FIT (European Thematic Network Fire In Tunnels) IABSE (International Association for Bridge and Structural Engineering) ISO (International organization for Standardization) ITA (International Tunnelling Association) RILEM (International Association for Building Materials and Structures) SafeT (Thematic Network Safety in Tunnels) The worlds longest tunnel page
Tunneling Forum (Platform for tunneling professionals)