The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why ...

The Hudson Tunnel Project reached a key milestone as factory testing finished for two tunnel boring machines now headed to New Jersey.

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 ...

The new rail tunnel, called the Gateway program, will serve Amtrak and New Jersey Transit and provide a vital link between the Garden State and Manhattan.

On Wednesday morning, crews removed the final piece of Bertha the boring machine out of the pit it has sat in since reaching the end of the tunnel running under Seattle. A live time lapse of the ...

The Boring Company is deploying the PruFrock 3 tunneling machine at Tesla Gigatexas. The PruFrock 3 machine will be able to dig continuously. It will only need to stop to change out teeth and other ...

SEATTLE — Visitors got a last look at the Seattle tunneling machine nicknamed Bertha on Saturday before it heads underground for more than a year. Gov. Jay Inslee was among the dignitaries attending ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

A 9.8 million-pound machine dubbed Mary keeps on boring through sediment as it makes its way under the harbor from Norfolk to Hampton. The $101 million tunnel boring machine, named after Hampton ...

A massive tunneling machine has done its job, digging deep below the District. “It’s a monumental milestone for us,” said Carlton Ray, vice president of the Clean Rivers Project for DC Water. The ...

Fascinating footage shows a huge tunneling machine called Dorothy digging underneath ancient woodland as the United Kingdom's HS2 high-speed rail project goes full-steam ahead. Dorothy, the ...

Komatsu, through its subsidiary, Komatsu Cummins Chile, has agreed with Codelco, a major state-owned mining company in Chile, to collaborate on trialing a new tunnel excavation method using Komatsu's ...