Highway 99 Tunnel

file photo of a tunnel boring machine (photo credit: GIUSEPPE CACACE/AFP/Getty Images)

Tunnel Machine Pit Work To Resume

Washington state archaeologists who took a look at shell deposits found by crews digging a 120-foot-deep pit that will provide access to a stalled Seattle tunneling machine have given the all-clear signal for work to proceed.

CBS Seattle–11/04/2014

(photo credit: Washington State Dept of Transportation)

Bertha Will Not Dig Again Until March 2015

Bertha, the machine boring the State Route 99 tunnel in Seattle, will not resume digging until the end of March 2015 and that the tunnel will not open until November 2016, according to the Washington State Department of Transportation.

CBS Seattle–04/21/2014

(Credit: Washington Department of Transportation)

Large Wall Part Of Seattle Tunnel Machine Repair

It seems that everything connected with the effort to dig a highway tunnel under downtown Seattle is big — from the tunneling machine that stopped working last December, to a large plywood wall planned to shield neighbors from the noise of repairing the machine.

CBS Seattle–04/03/2014

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