The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the ...

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 ...

Nicknamed "Chessie," the tunnel boring machine broke through the receiving pit on Two Island at Thimble Shoal Channel.

WATCH PREVIOUS COVERAGE: Mary, the tunnel-boring machine, starts work again on the HRBT Expansion Project Mary, the tunnel boring machine, starts work again on the HRBT Expansion Project When ...

Previous coverage: Mary, the tunnel-boring machine, starts work again on the HRBT Expansion Project Mary, the tunnel boring machine, starts work again on the HRBT Expansion Project When finished ...

Trojena is making significant construction progress on site as it prepares to receive the first of two tunnel boring machines (TBM) in February, which will enable the construction of Trojena’s ...