DC Water took a major step Tuesday in the Potomac River Tunnel Project, lowering the cutterhead for ‘Mary,’ the tunnel boring ...

The HRBT Expansion Project reached a significant milestone on Jan. 14 as the final piece of Mary the Tunnel Boring Machine's ...

HAMPTON ROADS, Va. — The massive boring machine that's being used in the Hampton Roads Bridge-Tunnel expansion project reached a huge milestone. The machine, named "Mary," is digging the tunnel for ...

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...

Mary, the tunnel-boring machine, is on the move again! Thursday, Mary began boring a twin eastbound tunnel in part with the Hampton Roads Bridge-Tunnel Expansion Project. Watch: First of 4 gantries ...

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 ...

Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first mile of the $16 billion Gateway Tunnel through the rocky Palisades.

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 ...

Mary, the tunnel boring machine that has been paving the way for the expanded Hampton Roads Bridge-Tunnel, hit a milestone Wednesday when she finished the first of twin tunnels that are part of the ...

Seven months after beginning its journey, Elaine the tunnel boring machine has completed its subterranean mission drilling out the Northside Interceptor Tunnel (NSIT). The 16.5-foot diameter, ...

Chinese engineers have managed to turn disaster into a masterful engineering feat by rescuing a stranded tunnel boring ...