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 ...
Giant tunnel-boring machines can get stuck in the rock they’re digging through, revealing flaws in the internal control of ...
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 ...
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