Hudson Tunnel construction may stop
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A giant 1,600-tonne machine called Madeleine that will bore a tunnel taking HS2 trains into central London has been switched on.
Officials from the agency overseeing the $16 billion project said unless Trump lifts a pause on federal money, the project could stall.
A 700-foot-long tunnel boring machine named Mary is being assembled in Washington, D.C., to dig a 5.5-mile stormwater and sewage overflow system.
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 the manufacturing of the tunnel boring machines is nearing ...
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 extracted for HRBT Expansion Watch: First of 4 gantries ...
A tunnel-boring machine stalled beneath China’s Yangtze River while excavating a highway tunnel, forcing engineers to complete an unprecedented mid-river docking operation over two years.
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