Recent advancements in rock cutting and tunnel boring machine (TBM) performance have underscored the importance of optimising cutter design, operational parameters and understanding rock fracture ...

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

Workers on the mammoth Gateway tunnel project are getting ready to start drilling through the Palisades in the new year. The Gateway Development Commission — the public authority behind the ...

Here's how the tunnel boring machine, or TBM, works: As the 200-ton TBM moves forward, a round cutter head studded with titanium teeth grinds into the tunnel face and splits large chunks off the rock.

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 ...

NASHVILLE, Tenn. (WSMV) - The Boring Company is nearing the start of tunneling for the Music City Loop downtown, concluding testing on a new machine designed to handle Nashville’s challenging ...