Tunnelling Association of Canada
Association canadienne des tunnels
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IMAGE: Evergreen Line Tunnel, Coquitlam, BC, 2015
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The Tunnelling Association of Canada (TAC) brings together Canadian, North American and International individuals and firms to promote and advance Canadian tunnelling and underground excavation technologies and to represent the interests of the tunnelling and underground excavation community in matters of technical and public concern.

Through association-sponsored meetings, course, workshops and conferences held across Canada, TAC encourages excellence and safety in the design, construction and maintenance of tunnels and underground excavations.

As the Canadian representative body of the International Tunnelling Association (ITA) the Tunnelling Association of Canada helps ensure Canadian tunnelling practitioners are connected to a world-wide network of experts keeping Canadian practice at the highest standards of international excellence.


Statement on the Feasibility Study for the Proposed Highway 401 Tunnel Project
The Ontario Society of Professional Engineers (OSPE) and the Tunnelling ...
Tunnelling Association of Canada Launches New Mentorship Program
July 2025 — The Tunnelling Association of Canada (TAC) has ...
Videos of TAC's 2024 Achievement Award Winning Projects and Individuals are now Online
We are pleased to recognize Serge Moalli as the 2024 ...
Aug 13 2025
Virtual Webinar
Webinar: Introduction to the TAC Mentorship Program
The Tunnelling Association of Canada is excited to launch its ...
Nov 16, 18 2025
Vancouver, B.C.
2025 TAC Workshop: Health and Safety in Tunnelling
We are excited to announce the TAC Workshop on Health ...
May 15, 21 2026
Montréal, Québec, Canada
The WORLD TUNNEL CONGRESS 2026: Montréal
Planning is underway for the WTC 2026! Get excited to ...
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Tunnelling Association of Canada
Association canadienne des tunnels
40 Eglinton Ave. E., Suite 200
Toronto, ON M4P 3A2, Canada
Tel: 1-416-840-7616
© 2025 Tunnelling Association of Canada