Founded in 1974 by the initiative of nineteen Nations, the International Tunnelling and Underground Space Association (ITA) which aims are:
Since then, ITA has considerably developed. Any independant nation, may through the medium of a National Organization become an ITA "Member Nation". Presently, ITA gathers 52 Member Nations.
Corporations and individuals (as far as they fulfill the conditions) can participate in the activities of the Association by becoming an "Affiliate member". ITA gathers 280 Corporate or Individual Affiliate Members.
The General Assembly, which met annually, resolves all questions concerning the organisation and conducts of the affairs of the Association; it shall approve the budget of receipts and expenditure, and appoint and organise all Committees of the Association; it shall decide on the admission of new adhering national Organisation and of the new affiliate member.
The General Assembly is host by a Member Nation at the occasion of the yearly World Tunnel Congress.
Briefly, some of the current goals of ITA include:
To reach its objectives, ITA has set up international working groups (WG) to study and report on specific topics. Today, 12 working groups are active.
ITA has just started 3 committees:
- ITA-COSUF, Committee on Operational Safety in Underground facilities with the cooperation of the World Road Association-PIARC and all the major European fire research organizations.
- ITA-CET, Committee on Education and Training, nicknamed « University Network »
- ITA-CUS, Committee on Underground Space