Currently, the world's longest undersea section of a tunnel belongs to the Channel Tunnel, which has a 23.5-mile (37.9 ...

On April 15th, 2021, officials, engineers, and even students gathered to christen “Rachel.” Rachel is a tunnel boring machine beginning her seven miles journey beneath Los Angeles. The ...

HAMPTON ROADS, Va. — The Chesapeake Bay Bridge-Tunnel (CBBT) has some good news about Chessie—the tunnel boring machine being used for its Parallel Thimble Shoal Tunnel Project.