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RETC Speaker

RETC is the only conference with a dedicated focus on the developments, technology, trends, and innovations that directly affect the tunneling and underground construction industry. Featuring a wide variety of technical sessions and speakers combined with our expansive exhibit hall, RETC will be a professional event you will truly enjoy and remember.

The Rapid Excavation and Tunneling Conference (RETC) is sponsored by the Society for Mining, Metallurgy & Exploration (SME). Held every two years, RETC is the renowned international forum for the exchange and dissemination of developments and advances in underground construction. The RETC advances the engineering and scientific knowledge of rapid underground excavation and tunneling through interdisciplinary meetings, publications, technical-educational exhibitions and encouragement of research. It also provides innovative solutions to the unique engineering challenges associated with the tunneling industry.

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Educational Technical Sessions

RETC offers a variety of technical sessions focusing on top-of-mind industry issues, trends and innovations. Technical session speakers are leading innovators in their fields and offer a wealth of insight into latest developments and applications of tunneling knowledge and technology.

Expansive Exhibit Hall

Get Ready! Get a firsthand look at new products, comprehensive services and integrated solutions offered by our exhibitors.  Our show floor provides you with the opportunity to meet more industry vendors than any other industry conference.

SME Bookstore

SME offers a comprehensive range of industry publications covering a wide variety of current and trending industry topics. From recommended practices to design build, our bookstore is sure to have what you are looking for to expand your knowledge base and gain actionable insight. Don't have time to visit our store on-site? Visit our Bookstore online and see all of our available publications.

Networking Functions

At RETC, tunneling and underground construction professionals just like you mix and mingle with some of the leading educators, innovators and experts in the tunneling and underground construction industry today. Expand your professional network and make new, lasting impressions at a variety of engaging networking events.

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What Attendees Say

Over four decades of conferences, RETC provides both the experienced tunneling professional and the individual just starting in the business the opportunity to stay connected while integrating new ideas and innovations into contracting, design, and construction.

Bill Mariucci
Team Leader, Kiewit infrastructure Co.
Contact Us
  • The Society for Mining, Metallurgy & Exploration Inc. (SME) is a professional society (nonprofit 501(c)(3) corporation) whose more than 15,000 membership represents all professionals serving the minerals industry in more than 100 countries. View More >>
  • Address: 12999 E Adam Aircraft Cir
    Englewood, CO 80112
  • Phone: 303.948.4200
  • Email:
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