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Welcome to the North American Tunneling Conference

NAT, (North American Tunneling conference) is sponsored by the Underground Construction Association of the Society for Mining, Metallurgy & Exploration (UCA of SME). The North American Tunneling Conference (NAT) is the premier biennial tunneling event for North America, bringing together the brightest, most resourceful and innovative minds in the tunneling and underground construction industry.

Held in Nashville, Tennessee, this four-day conference focuses on the information, advances and projects in North America and around the globe along with the victories and challenges of working in diverse environments.

This conference is ideal for contractors, engineers, vendors and owners in the tunneling and underground construction industry. No matter how experienced you are in the field of tunneling and underground construction, NAT 2024 is positioned to advance your future and that of the industry.

The committee will consider all abstracts covering any/all aspects of the tunneling/underground construction industry including, but not limited to, the following topics:

Tunnel Boring Machines

Ground Conditioning  & Modification

Equipment Automation

NATM/SEM – Conventional Tunneling


Small Diameter Tunneling

Shaft Construction

Emerging Technologies

Risk Management

Lining Design Advances

Fire & Life Safety



Contracting Methods

Alternative Delivery Methods


Labor Training

Case Histories

Future Projects

Futuristic Tunneling


Dates & Deadlines

Please read the following information carefully and mark your calendar with important dates and deadlines.

Prospective authors are asked to submit a 100-word abstract. For detailed guidelines for submitting a successful abstract, please visit Abstract Submission. Submitters will be notified in September 2019 of acceptance or otherwise.

Key Dates

April 1, 2023

Abstract Submission Open

June 30, 2023

Abstracts Due for Consideration

September 2023

Notice of Acceptance

October 31, 2023

Draft Manuscripts Due

November 30, 2023

Comments Returned to Authors

December 23, 2023 Final Manuscripts Due