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

Crews are now drilling a launch pit to hold the massive tunnel-boring machine for the Alaskan Way Viaduct Replacement project. The project will be using the largest diameter tunnel boring machine ever ...

Work to start digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

VIRGINIA BEACH — Now that the anchor’s away, expansion work at the Chesapeake Bay Bridge-Tunnel is back at full bore. Burrowing of a new tunnel to help carry more vehicles between Virginia Beach and ...

NORTH BERGEN, N.J. — Disassembled sections of two tunnel boring machines that will help dig a $16 billion rail tunnel between North Jersey and Manhattan are on their way to the Garden State. The ...

NEW YORK (PIX11) — The first commuter rail service through the new Hudson River tunnel is planned to run about a decade from now. But crews are busy building structures and clearing the way for the ...

HAMPTON, Va. (WAVY) — Mary, the tunnel boring machine for the new Hampton Roads Bridge-Tunnel expansion, completed the first new tunnel at the HRBT’s North Island Wednesday morning, a major milestone ...

CAPE CHARLES, Va. — Project leaders with the Chesapeake Bay Bridge Tunnel reported that Chessie, the tunnel boring machine used to dig the second tunnel, had broken through at the second island.

Seattle Tunnel Partners have resumed digging a repair pit to access the stalled tunnel drilling machine sitting idle under the waterfront. State archaeologists have determined shell deposits ...