While some engineers have suggested a bridge as a more feasible alternative, advancements in rail technology have tipped the scales in favour of an undersea mega tunnel.
THE world’s biggest underwater “Lego tunnel” will soon be dunked into the ocean to create a bustling connection between Denmark and Germany. The $7billion mega-project will ...
Project leaders with the Chesapeake Bay Bridge Tunnel reported that Chessie, the tunnel boring machine used to dig the second tunnel, had broken through at the second island.