VIRGINIA BEACH, Va. — The huge boring tool affectionately known as 'Chessie is once again digging through the bottom of the Chesapeake Bay. "So think about a four-story building as long as a football ...

Mary’s job is done. On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the Hampton Roads Bridge-Tunnel expansion, completed the second and final leg ...

What’s 14 feet tall, weighs 380 tons, lives more than a hundred feet underground, and moves 1/4 mile per hour at its fastest? Alexandria’s new tunnel boring machine, of course! The massive blue and ...

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 ...

Work to begin 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 ...

Beginning Wednesday night, Mom Chung started working 24/7 instead of its usual 10-hour shift. The Central Subway tunnel-boring machine is making its way from South of Market, underneath the Powell ...

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 ...