Showing content tagged with bertha
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Thumbnail for - Tunnel Plans Due Tomorrow. Maybe.
Feb 13, 2014
Transportation
The state DOT says it hopes to hear an update from the tunnel construction firm on its plans to fix the stuck tunnel-boring machine tomorrow.
Thumbnail for - Latest Prognosis for Mystery Bertha "Obstruction": Early January
Dec 20, 2013
Transportation
Seattle waterfront tunnel planners say it will be next year before they know what's blocking Bertha, the world's largest tunnel-boring machine.
Thumbnail for - Tunnel Update
Dec 11, 2013
City
Tunnel boring machine hits mysterious object.