Tunnel boring machine makes breakthrough at CBBT
The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the ...
CBBT expansion milestone: Tunnel boring machine reaches its destination
Nicknamed "Chessie," the tunnel boring machine broke through the receiving pit on Two Island at Thimble Shoal Channel.
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Parallel Thimble Shoal Tunnel Project achieves breakthrough
The Parallel Thimble Shoal Tunnel Project at the Chesapeake Bay Bridge-Tunnel in the U.S. state of Virginia reached a ...