Major American Municipal Proojects
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'Major American Municipal Proojects' - 1 News Result(s)
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World Biggest Tunnel In Seattle On Its Surge For Completion
Bertha, one of the world's largest boring machines, will cut through a thick concrete wall at midday on Tuesday if all goes according to plan, completing the most difficult phase of building a highway under the heart of downtown Seattle.
'Major American Municipal Proojects' - 1 News Result(s)
-
World Biggest Tunnel In Seattle On Its Surge For Completion
Bertha, one of the world's largest boring machines, will cut through a thick concrete wall at midday on Tuesday if all goes according to plan, completing the most difficult phase of building a highway under the heart of downtown Seattle.
