Chessie, a tunnel-boring machine, has completed her work on the Chesapeake Bay Bridge-Tunnel's new Parallel Thimble Shoal Tunnel. The machine removed 500,000 cubic yards of soil, and installed almost ...
Ninety feet below the East River, Amtrak’s 110-year-old train tunnels are slowly filling with salty water dripping on high-voltage cables as steel is nearly corroded to dust. Above ground, heads of ...
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