The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why ...

Work on the French portal of the 35-mile twin rail tunnels under the Cenis Mountain has just begun as part of the planned 170-mile Lyons-Turin railroad. Nearly a fifth of the 100 miles of access and ...

The first of five early Gateway Tunnel projects is almost finished and tunnel boring machines on the way. When is the federal ...

The Hudson Tunnel Project reached a key milestone as factory testing finished for two tunnel boring machines now headed to New Jersey.

BOSTON -- Work inside the Sumner Tunnel in Boston is underway, and it's causing confusion and traffic jams all around the area. This is the first weekend of a nine-month stretch of work being done on ...

The Tianshan Shengli Tunnel, a 13.75-mile (22 km) long tunnel at the center of the Urumqi-Yuli Expressway, and the world’s longest, is now open in China. Constructed over five years using innovative ...

The first section of the world's longest underwater road and rail tunnel has been constructed, putting the project on track for completion by the end of the decade. At 18,000 meters, The Fehmarnbelt ...

Tunnel excavation in underground environments presents numerous technical challenges with tunnel face stability being paramount to ensuring safety and maintaining structural integrity. The stability ...