Tunneling for the Northgate Link project for Sound Transit in Seattle was completed on Sept. 1 as the TBM mining the sou...
Seattle Tunnel Partners crews have now mined more than 4,000 ft as they continue their push toward the SR 99 tunnel’s...
Seattle Tunnel Partners resumed mining July 18 following a month of routine and hyperbaric maintenance on Bertha, the TB...
After another week of good tunneling progress, Seattle Tunnel Partners is preparing Bertha, the SR 99 tunneling machine,...
Seattle Tunnel Partners has now bored more than one-half mile of the SR 99 tunnel. As of June 13, Bertha, the SR 99 tunn...
Light rail service to the Eastside took a big step forward recently as Sound Transit's contractor began work on the down...
On March 7, WSDOT notified Seattle Tunnel Partners (STP) that they could continue mining to a planned maintenance stop n...
Bertha, the SR 99 tunneling machine, has traveled approximately 110 feet since Seattle Tunnel Partners resumed mining on...
Seattle Tunnel Partners has received conditional permission to resume tunneling operations on the SR 99 Tunnel Project. ...
The Washington State Department of Transportation (WSDOT) has notified Seattle Tunnel Partners, the deign-build contract...
