(a) To promote and advance Canadian tunnelling and underground excavation technologies, and safe design, construction and maintenance; (b) To facilitate the exchange of information on related activities and technical developments; (c) To represent the interests of the tunnelling and underground excavation community in matters of technical and public concerns; (d) To encourage the development and use of subsurface space; (e) To act as an intermediary body between ITA and those individuals and organizations in Canada who are interested in tunnels and underground excavations; (f) To disseminate throughout Canada the news of the activities of ITA and the technical information available as a result of those activities; (g) To maintain and publish a Canadian Register of tunnels, under ground excavations and similar works.