highway 99

SR 99 Tunnel Project
9:00 am
Tue February 25, 2014

Transportation Officials: To Fix Bertha, Cutter Head Needs To Be Removed

Bertha's face, seen here before starting the state Route 99 tunnel, will need to be removed for repairs.
Flickr Photo/WSDOT (CC-BY-NC-ND)

Bertha needs a face lift.

Washington State Department of Transportation officials told the Seattle City Council Monday afternoon that the face of the state Route 99 tunnel machine has to come off in order to repair its damaged machinery.

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Viaduct Project
4:11 pm
Fri January 3, 2014

What's Blocking Bertha? Probably An 8-Inch Steel Pipe

A glimpse of the steel pipe burrowing into Bertha.
Credit WSDOT Photo

An 8-inch-wide steel pipe.

That’s what is likely blocking Bertha, the boring machine creating a tunnel through downtown Seattle to replace the Alaskan Way Viaduct.

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What Stopped Bertha?
4:55 pm
Fri December 13, 2013

Boring Bertha Digs Through Layers Of Seattle History

An inside view of Bertha, the multi-million dollar tunneling machine.
Flickr Photo/Washington State Department of Transportation

The most plausible theory about what stopped Bertha, the tunneling machine digging its way through downtown until last Saturday, is also the most boring.

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Transportation
12:30 pm
Thu September 26, 2013

New Proposal: Highway 99 Tolls Could Be $1.00

Flickr Photo/WSDOT

A new tolling proposal would ask drivers to pay as little as $1.00 for taking the Highway 99 tunnel under downtown Seattle. During morning and evening commutes, rates would jump to $1.25. A state advisory committee is hoping the proposal will strike a balance between tolling revenues and potential traffic diversion.

Two years ago, when the tunnel plan was approved by voters, the proposed tolling rates were as high as $3.00 during peak hours. Under that plan, traffic planners were concerned that high tolling rates would divert too many cars onto downtown streets. Maud Daudon is co-chair of the Advisory Committee on Tolling and Traffic Management. She's also president and CEO of the Seattle Metropolitan Chamber of Commerce. She talked with Ross Reynolds.

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