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 ...

A variable diameter inclined shaft tunnel boring machine has completed a landmarkbreakthrough on China’s Pingjiang project ...

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 ...

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...

Work to start digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

ST. IGNACE, Mich. — As the Line 5 tunnel project nears a permit decision by the Army Corps of Engineers, Enbridge has renovated its information center in downtown St. Ignace. The center, open to the ...