From the dark depths beneath Seattle, Bertha the SR 99 tunnel machine headed out of the muck and into daylight on Tuesday, completing a final push in a years-long effort to create space for a… Read More
After mining through more than 9,000 feet of Seattle underground, and rebounding from a lengthy breakdown and repair, Bertha the tunneling machine is poised to bust through its final obstacle on Tuesday. It’s… Read More
If you’ve forgotten what Bertha, the SR 99 tunneling machine, looks like after all these years, get ready to see her face again soon. Bertha’s massive cutterhead is just days… Read More
A 360-degree video shot inside the tunnel being built beneath Seattle gives viewers a unique new perspective of what it’s like to bore a 2-mile tube and construct a highway 200… Read More
Seattleites caught up in the twists and turns and starts and stops of Bertha, the SR 99 tunneling machine, might lose sight of the fact that trailing behind her boring efforts… Read More
High above the spot where Bertha, the SR 99 tunnel machine, sits idle during a scheduled maintenance stop, workers with Seattle Tunnel Partners and Ballard Marine Construction explained Tuesday what it takes… Read More