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Abstracts Being Accepted for NAT 2026
The opening session from NAT 2024. The program committee for UCA’s North American Tunneling Conference is accepting abstracts for NAT 2026, scheduled for June 15-18 in Anaheim, California. The...
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Tunneling Begins on Final Segment of Eglinton Crosstown West Extension
The Ontario government has broken ground on the final tunnel segment of the Eglinton Crosstown West Extension, marking another significant milestone in the province’s plan to deliver a new transit...
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Monitoring Tunnel Constructions: Unlocking the Potential of Instrumentation
Instrumentation and monitoring (I&M) in tunnel construction have often been underappreciated within the broader construction processes. I&M refers to the systematic deployment of advanced...
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MAPEI Congratulates Kirkwood on Victory at Grand Prix of Long Beach
MAPEI Corporation proudly congratulates Kyle Kirkwood on his first-place finish at the 50th anniversary of the Acura Grand Prix of Long Beach. Driving the No. 27 PreFab Honda for Andretti INDYCAR,...
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Upcoming projects
Last Chance Grade Tunnel rendering (Image: Caltrans). CALIFORNIA Daly CityVista Grande Drainage ImprovementsThe City of Daly City (California) began seeking prequalifications for its Vista Grande...
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Construction Begins on World’s Longest Underwater Highway Tunnel
Photo: Jiangsu Provincial People’s Government On April 9, excavation officially began on the world’s longest underwater highway tunnel at the mouth of the Yangtze River in Haimen, Nantong, China...
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Hampton Roads Bridge Tunnel Expansion
Signature Project Reaches Notable Milestones Located in southeastern Virginia, the Hampton Roads region is home to approximately 1.8 million residents spread across 17 different localities. The...
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AREMA Updates Utility Crossings Component of Manual for Railway Engineering
Subcommittee’s Input Improves Critical Documentfor Working on Railway Property By David Howell A large, and often underdiscussed segment of the trenchless industry involves working under and around...
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Microtunneling Through Karstic Rock
By Jordan Bradshaw Over the past 40 years, the microtunneling method has grown into one of the more reliable tools for installing utility tunnels in the United States. Owners and engineers value its...
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Grouting in Tunneling
By Joel Joaquin Grouting in tunneling is primarily used to manage unexpected ground conditions, such as groundwater ingress or instability. The most common reason for grouting is to control water...
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