Tunnel boring machine resumes digging at Chesapeake Bay Bridge-Tunnel after old ship anchor delayed project
The tunnel boring machine known as Chessie got back to work on April 8, days before the 60th anniversary of the bridge-tunnel ...
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'Chessie' the boring tunnel machine back up and running to improve CBBT travel
The Chesapeake Bay Bridge-Tunnel (CBBT) has some good news about Chessie—the tunnel boring machine being used for its ...
See the video: Mary the machine completes first tunnel in HRBT expansion
The Hampton Roads Bridge-Tunnel Expansion Project reached another milestone Wednesday as Mary, the affectionate name for the ...
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'Chessie' the boring machine back at work on the Chesapeake Bay Bridge-Tunnel
Chessie scoops out sand at the bottom of the Chesapeake Bay, making way for these 20,000-pound segments that create the tube ...
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World’s ‘biggest, fastest’ tunnel machine completes 9km dig
The world’s biggest tunnel-boring machine has dug the 9km-long Gudauri tunnel in the mountains of the Caucasus state of ...
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HRBT expansion’s first tunnel boring is complete
Mary, the Tunnel Boring Machine, finished the first of two tunnels that are part of the Hampton Roads Bridge-Tunnel expansion. Photo courtesy VDOT. Mary, the tunnel boring machine that has been paving ...
The world's deepest tunnel that's an incredible 35 miles long and cost £9.6bn
The idea for the Gotthard Base Tunnel - a railway tunnel through the Swiss Alps - was first floated in the 1960s. It opened ...
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Major milestone: Mary, tunnel boring machine for HRBT expansion, finishes first new tunnel
Mary, the tunnel boring machine for the new Hampton Roads Bridge-Tunnel expansion, completed the first new tunnel at the HRBT's North Island Wednesday morning, a major milestone for the project.