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An official for the contractor boring the Seattle Highway 99 tunnel says a six month delay in the stalled construction is a "slightly optimistic"…
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The Washington state Transportation Department says that, as expected, the contractors digging a highway tunnel under downtown Seattle will repair a seal…
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The prospect of taking the State Route 99 tunneling machine known as Bertha offline for as much as half a year is not good news for the company operating…
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Washington transportation officials and the private contractor operating the tunneling machine known as Bertha disagree on what’s holding up progress on…
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The state contractor hasn’t yet decided how to fix the broken seal near Bertha’s bearing, but “either way, this process will take months,” said the state…
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Remember that big steel pipe — eight inches wide, part of an old well?The Washington State Department of Transportation never actually accused that pipe…
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Seattle's massive tunneling operation is on hold yet again due to ongoing problems with the world's largest boring machine.After a seven-week stoppage,…
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A Washington Transportation Department spokeswoman says the giant machine digging a highway tunnel under downtown Seattle has advanced two more feet, far…
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Crews have found a hard object more than 3 feet wide lodged in the tunneling machine that's currently stalled 60 feet under the city of Seattle, officials…
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A leading Republican in the state Senate says Seattle taxpayers should foot the bill for any potential cost overruns on the Alaskan Way Viaduct…