Advance Your Career at NAT 2026

Put yourself in a position to advance your future at the 2026 North American Tunneling Conference this June in Anaheim, CA.

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Present Your Research at RETC 2027

Your unique experiences and expertise can help us create another industry-leading tunneling conference. Submit your 100-word abstract by June 30, 2026

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Mentor the Future of Tunneling

Down For That is an initiative aimed at informing students and educators about the industry through the development of key resources and opportunities.

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Latest News

May 6, 2026

NAT 2026 to continue tradition of annual UCA Awards...

The Underground Construction Association (UCA) will present a series of awards as part of the 2026 North...

May 5, 2026

Herrenknecht TBM achieves breakthrough at Gotthard Road...

After advancing about 3.8 km (2.3 miles) through rock that was at times extremely hard and at times brittle,...

April 30, 2026

Terratec tunnel boring machine chosen for Palermo...

Terratec announced that one of its Earth Pressure Balance Machines (EPBMs) has been selected to drive the...

April 27, 2026

Major contract for Hudson Tunnel Project awarded to...

The Gateway Development Commission (GDC) awarded the contract for the Hudson Tunnel Project construction...

April 15, 2026

DC Water launches tunnel boring machine Mary at Potomac...

The Potomac River Tunnel Project’s first tunnel boring machine, Mary, has launched her northbound journey...

April 15, 2026

Excavation completed on Caterina, first tunnel on...

The excavation of the Caterina Tunnel has been completed, the first on Lot 1A of the Salerno-Reggio Calabria...

April 8, 2026

Expanded rail service will connect Downtown Los Angeles...

Los Angeles’ Metro announced that Section 1 of the D Line Subway Extension Project is expected to open on May...

April 8, 2026

Transportation Secretary Sean P. Duffy and Amtrak...

U.S. Transportation Secretary Sean P. Duffy and Amtrak Special Advisor Andy Byford shared significant new...

April 7, 2026

UCA’s 2026 NAT Conference to arrive in Anaheim mid-June...

The North American Tunneling Conference (NAT) 2026 will bring the underground construction industry to the...

March 17, 2026

Transit agency sues Trump over frozen funds for New York...

A construction crew works on the Manhattan Tunnel Project, which is part of the Hudson Tunnel Project, in New...

About UCA

Discover an association tunneling and underground construction industries.

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Mentor Students & Young Professionals

Make a positive impact the future generation of tunneling professionals.

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Make a Difference

Volunteer with UCA and leave an impression on the industry and community.

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Expand your tunneling knowledge

The hallmarks of tunneling professionals include adaptability, resiliency, optimism, and management of change.

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