A giant 1,600-tonne machine called Madeleine that will bore a tunnel taking HS2 trains into central London has been switched ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble ...

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 ...

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring machine is now 200 meters deep into burrowing under the Elbe River estuary.

This column originally appeared in On The Way, a weekly newsletter covering everything you need to know about NYC-area transportation. Sign up to get the full version, which includes answers to reader ...

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 ...