Washington Halts Seattle Tunnel Project Over Safety ConcernsWashington transportation officials and Gov. Jay Inslee on Thursday halted all digging by Seattle's tunnel-boring machine until the contractor determines what caused a large sinkhole to form over the area where the machine was operating.
Bertha Begins Drilling Under City StreetsSeattle's tunnel-boring machine has started digging into soil about 80 feet below street level
State Says Seattle Tunnel Delays Could Cost $78 millionThe Washington State Department of Transportation says it expects to lose $78 million because the machine digging the tunnel to replace the Alaskan Way Viaduct in Seattle broke down.
Seattle Tunnel Contractors To ResumeDigging is slated to resume by November 23rd
Damage Done To Tunnel-Boring Machine Greater Than ThoughtSeattle Tunnel Partners finished disassembling Bertha and have concluded the damage the machine sustained is more extensive than previously thought.
Transportation Officials Say New Cracks On ViaductThe latest inspection of the Alaskan Way Viaduct found additional ground settlement, wider cracks and two new cracks on columns near the area where the Seattle Tunnel Partners are working to fix Bertha, the giant tunnel boring machine that is supposed to dig the highway tunnel to replace the viaduct along Seattle's waterfront.
Lawmaker: State Shouldn't Pay For Extra Seattle BusesA state lawmaker says he wants to block more state money from going to keep transit buses moving through the construction zone for the Alaskan Way Viaduct tunnel replacement.
Crews Pulling Pieces Of Seattle Tunnel Machine To SurfaceWorkers at the Seattle tunnel project have started pulling pieces of the broken tunnel machine called Bertha to the surface for repairs.
Workers Prepare To Lift Part Of Tunnel Machine Out Of PitThe contractors building a tunnel under Seattle have invited the media to a special viewing of Bertha, the world's largest tunnel boring machine, as they prepare to pull it out of a pit for repairs.
Seattle Tunnel Machine Reaches Rescue Pit By Breaking Through WallBertha, Seattle's tunnel machine, achieved what officials called "a significant milestone" on Thursday when it broke through a 20-foot-thick concrete access pit wall into a shaft so that it can be pulled out and repaired.
Seattle Tunnel Machine Breaks Through WallBertha has reached her goal
Seattle Tunnel Machine 'Bertha' Moves Toward Access PitBertha is on the move.