The disassembly pit where the SR 99 tunneling machine Bertha is set to emerge in Seattle on Tuesday. (GeekWire Photo / Kurt Schlosser) After mining through more than 9,000 feet of Seattle ...

A Groundbreaking Technology Brunel's original machine, dubbed a tunneling shield, was an iron framework built to brace the earth as a tunnel was dug through it. As the shield advanced, workers ...

A huge tunneling machine called Dorothy is digging underneath ancient woodland in the United Kingdom as the HS2 rail project goes full-steam ahead on July 22, 2022. HS2 is the largest ...

The name was chosen via a student contest and incorporated into artwork for the machine's tail shield. The 950-ton German-made machine, a Herrenknecht AG, is 21 feet in diameter and 400 feet long.

Boring Company started with a commercial machine from another supplier. It was called Godot and it was their first-generation tunneling machine. The Boring Company came up with Line Storm, a modified ...

A week ago, Elon Musk asked his 8.56 million Twitter followers to help him come up with a name for The Boring Company's first tunneling machine. We've heard some pretty interesting ideas, from ...

The machine has now traveled 1,995 feet — out of its total 9,270 journey under downtown Seattle. Bertha was slated to tunnel 385 feet under the viaduct in its most recent spate of activity.

Updated at 4 p.m. ET It was the world's biggest tunneling machine when it first chewed into the loose dirt and gravel on Seattle's waterfront in 2013. With a cutting head nearly 60 feet wide, it ...