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We Build Beneath

The Underground Construction Association, a division of SME, provides technical resources, professional development, and networking opportunities to engineers and related professionals in the tunneling and underground construction industries. In addition to full SME resources, UCA members also have access to specialized technical resources including:

  • Tunneling & Underground Construction magazine

  • Conferences including the North American Tunneling Conference (NAT), Rapid Excavation and Tunneling Conference (RETC), Cutting Edge, and the George A. Fox Conference

  • North American Tunnel Demand Forecast


UCA  is dedicated to providing critical industry and technical knowledge to underground construction practitioners across the globe.

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Learn about the more about the Underground Construction Association committees.