Sound Transit’s regional light rail system got one station larger with the opening of Pinehurst Station in North Seattle, the ...

As Program Delivery Partner, the AECOM and Jacobs joint venture will support the procurement and delivery of the metro system ...

There is a moment on every hard rock bore when the machine either earns your trust or doesn’t. The cutterhead engages, the ...

The Gateway Development Commission on Sept. 28 celebrated the start of boring as part of the Hudson Tunnel Project.

DC Water celebrated the christening of TBM Emily on Sept. 19. It’s the second giant tunnel boring machine (TBM) that will ...

Akkerman has named Justin Akkerman as its new CEO, marking the next generation of leadership for the equipment manufacturer.

The federal government has dropped its appeal of a federal court ruling that barred the U.S. Department of Transportation from withholding funding for the $16 billion Hudson Tunnel Project, clearing ...

“The Most Expensive Mile of Subway Track on Earth” is the title of an investigative report written by Brian M. Rosenthal of The New York Times in December 2017. It examined some of the subway tunnels ...

Tunneling and underground construction in urban areas is increasing throughout the world for various reasons. This requires handling of complex challenges for safe construction and to minimize impacts ...

Editor’s Note: This is the first in a series of articles from Dr. Gary S. Brierley reflecting on the history of tunneling. This first article examines tunneling from its ancient roots to the present ...

The Montreal metro Blue Line Extension toward the northeast consists of the construction of five new underground stations. The project includes 6 kilometers of the tunnel which will be constructed ...

Mechanized tunneling by TBM has been the most dominant excavation method in the past decade in various ground conditions such as soft ground, weak rock and fractured hard rock. Precast concrete ...