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Big Bertha Dedication Ceremony
Press Event: Big Bertha Dedication Ceremony
7/20/201331:57
Governor Jay Inslee and the Washington State Department of Transportation publicly celebrated the launching of the world`s largest tunneling machine, Bertha. Bertha is undergoing final tests to go underground before starting to sink her mechanical teeth into Seattle soil. The SR99 tunnel is scheduled to open to drivers in late 2015.
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