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

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

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring machine is now 200 meters deep into burrowing under the Elbe River estuary.

NORFOLK, Va. (WAVY) – The Hampton Roads Bridge-Tunnel Expansion Project is celebrating World Tunnel Day with the opening of a new welcome center. The former Visitor Center in Ocean View is now a ...

CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the Chesapeake Bay Bridge-Tunnel Monday, the CBBT ...