December has not been kind to Seattle's enormous tunneling project. And not just this December. A year ago this month, North America's largest tunnel-boring machine got stuck just 10 percent of the ...

SEATTLE — MudHoney, a tunnel boring machine named for a Seattle grunge legend, has finished its journey from Ballard to Wallingford as part of the Ship Canal Water Quality Project, a partnership ...

The Dori Monson Show listeners have spoken. The boring machine called Bertha will now be known as “Christine.” Monson said it was time for a new name as Bertha was named in honor of former Seattle ...

Seattle’s giant drilling machine has passed the halfway mark as it digs beneath the city to complete a new highway tunnel. The Washington Department of Transportation said Monday that the drill known ...

SEATTLE – The 900,000-pound machine that started boring a gargantuan sewage and stormwater tunnel under Seattle in 2021 at last burst into the open this month, completing its rocky 2.7-mile route in ...

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, ...