A giant boring machine has broken through to complete excavation work to all of the tunnels along the 140 mile route of the HS2 railway. The enormous 125m (410ft) long machine emerged today (Mon) ...

China is becoming a major force in the global tunnelling industry through the development ...

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 ...

The McL 24C auger boring machine delivers 98,000 pounds of forward thrust and an auger torque of 6,339 lb.-ft. It can install casings from 4 to 24 inches in diameter. It has a 24.6-horsepower ...

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 ...

Boring, also called internal turning, is used to increase the inside diameter of a hole. The original hole is made with a drill, or it may be a cored hole in a casting. Boring achieves three things: ...

McLaughlin WH 225 auger boring machine has a 214-horsepower Volvo Tier 4 compliant diesel engine. Its 5-inch hex auger drives 1.2 million pounds of thrust and 126,000 lb.-ft. of torque for big bore ...

SAN JOSE – The Santa Clara Valley Transportation Authority said Monday it authorized the purchase of the transit tunnel boring machine to complete the five-mile underground section of the VTA BART ...

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 ...