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, ...

Experts from the manufacturer in Japan are due in Seattle next week to explain exactly how to repair “Bertha,” the stalled tunnel boring machine. The earth moving work beneath downtown Seattle somehow ...

The $80 million tunneling machine known as ‘Bertha’ resumed mining Tuesday beneath the Seattle waterfront for the first time in about seven weeks. The machine moved forward about two feet, allowing ...

SEATTLE (AP) — 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 ...

SEATTLE - Bertha, the world's largest tunneling machine, is just about ready to get to work on two miles of Seattle soil. On Saturday, Gov. Jay Inslee and the Washington State Department of ...

Bertha is on the move. The broken down tunnel machine began its journey toward an access pit where, if it makes it, workers will remove the front of the machine for repairs. It started moving on ...

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 ...