Crews discovered an 8-inch steel pipe protruding through one of the openings of Bertha the tunnel boring machine today. The Seattle Tunnel Partners aren't ready to say exactly what is blocking Bertha, ...

More than a year before the new State Route 99 tunnel is scheduled to open to vehicles in Seattle, I took a ride Thursday from one end of the 2-mile tube to the other, beneath this booming city and ...

Officials say it will be nearly a year before the damaged tunnel-boring machine stuck under downtown Seattle can start digging again. The Washington State Department of Transportation has released a ...

SEATTLE -- The contractors drilling a tunnel under downtown Seattle say so much groundwater is flowing into the tunnel, it will likely be January before they can look at what's blocking their boring ...