With the tunnelling industry undergoing a global revival, the International Tunnelling and Underground Space Association (ITA) is continuing to support and encourage those in the industry while also promoting the economic, environmental and social benefits of utilising underground space

Formed through the initiative of 19 nations in 1974, the ITA has developed considerably over the last 40 years to ensure a strong platform is provided to its 75 member nations that allows them to work together in a way that promotes the advances of tunnels and underground space. Any independent nation, many through the medium of a national organisation, can become an ITA member nation, while corporations and individuals can also participate in association activities when they become an affiliate member. So far, ITA has gathered 300 corporate or individual affiliate members, with some of these becoming prime sponsors or supporters.

Read more : http://www.ccemagazine.com/2017/10/05/tunnelling-and-underground-space-association/