Attend the Nation's Leading Tunneling Conference

Don't miss RETC 2025, which offers a variety of technical sessions focusing on top-of-mind industry issues, trends and innovations.

Register Now

Watch Members Explain "Why I Build Beneath"

These inspiring professionals and students are leveraging their UCA membership to shape the future of the tunneling and underground construction industry.

Hear Their Stories

Be Part of NAT 2026's Dynamic Technical Program

Contribute your unique expertise to the NAT program by submitting an abstract before June 30, 2025.

Submit Now

Inspiring Tunneling Professionals worldwide

Latest News

June 5, 2025

DC Water’s Potomac River Tunnel Project to begin ...

As part of the excavation work for DC Water’s Potomac River Tunnel Project, weekly controlled underground ...

June 5, 2025

Giant HS2 tunnelling machine to be given a new lease of ...

After completing the 3.5-mile mission to excavate the first section of the Bromford Tunnel, linking North ...

June 5, 2025

Major construction expands across entire route of 9.2-km ...

Metrolink reported that crews in Toronto began digging the tunnels that will connect the Eglinton Crosstown ...

June 3, 2025

UCA awards will be presented during RETC for the first ...

For the first time, the UCA will present annual awards during the Rapid Excavation and Tunneling Conference ...

June 2, 2025

East River Tunnel Rehabilitation project officially ...

Amtrak crews kicked off the first long-term track outage in support of the East River Tunnel Rehabilitation ...

May 22, 2025

Zlatanic elected as ITA vice president during World ...

During the 51st ITA General Assembly and World Tunnel Congress 2025 (WTC 2025) in Stockholm, Sweden Sanja ...

May 12, 2025

NYC DEP to develop new contract for final connection of ...

The New York City Department of Environmental Protection (DEP) announced it will begin a new procurement and ...

May 12, 2025

Tunneling completed on Italian side of Brenner Base tunnel

Tunnelling on the Italian side of the Brenner Base Tunnel has been completed. The last of three Herrenknecht ...

May 6, 2025

World’s first kilometer-deep hard rock shaft boring ...

China Railway Construction Corp. Limted (CRCC) unveiled a boring machine that is says is the world’s first ...

May 5, 2025

TBM for Potomac River Project completes factory testing

One of two Herrenknecht tunnel boring machines (TBM) that will be used on the $819 million Potomac River ...

About UCA

Discover an association tunneling and underground construction industries.

Read More

Become a Member

Learn how you can meet your career goals with a membership in UCA.

Read More
Mentor Students & Young Professionals

Make a positive impact the future generation of tunneling professionals.

Find Out How
Make a Difference

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

Find Out How
Expand your tunneling knowledge

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

Find Out How