Bertha has made it to the finish line. The celebrity boring machine’s arrival near Seattle Center, some 29 months late, guarantees a Highway 99 tunnel bypassing downtown. And the Alaskan Way Viaduct ...

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, ...

Sound Transit’s boring machines are getting more … boring. The agency is now calling Brenda and Pamela, which have been burrowing a route that stretches from Northgate to Husky Stadium, tunnel-boring ...

SEATTLE - Bertha is getting ready to dig the final 1,000 feet of Seattle's Alaskan Way Viaduct replacement tunnel. Seattle Tunnel Partners (STP) said they temporarily stopped mining on Tuesday for ...

SEATTLE – With a cloud of dust, Bertha — Seattle’s tunnel boring machine — reached the end of her long, troubled journey, a milestone in a multibillion-dollar project to replace an aging highway ...