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About Tunnelling
Find out all information about tunnelling and underground space: Usage, construction, reasons to build underground as well as some feedback on history, through important cases, a detailed images gallery and related documents.
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ITA Activities
Learn everything about the International Tunnelling & Underground Space Association, created in 1974 and which gathers currently 80 Member Nations. Download all publications authored by the association, notably the guidelines produced by the Working Groups and Committees.
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ITA Awards
This website is dedicated to the ITA Tunnelling Awards, organized yearly.
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Projects Database
This website allows you to browse and search among case histories.
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ITA Library
Download and purchase papers from the WTC proceedings & documents from other ITA-approved conferences.
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WTC
All about the next World Tunnel Congress: WTC2026 in Montreal, Canada and WTC2027 in Antwerp, Belgium