WILLMAR -- The city will save $50,000 and reduce the risk of failure by letting a contractor use a different tunneling method at five locations along the interceptor sewer line. The line is being ...

Fort Smith’s proposal to build a tunnel beneath the Arkansas River for a regional water pipeline is among 16 finalists in a tunneling challenge.

Is Seattle a poor place to tunnel? Conditions are decidedly mixed, but that’s hardly stopped us. Seattle has proven to be a hotbed for innovation and testing of tunneling technology over the last 110 ...

Blasting techniques used to excavate a diversion tunnel at the Pakal Dul Dam have addressed challenges posed by complex ...

An independent study has confirmed that the single bore tunnel method is feasible for the BART (Bay Area Rapid Transit) Silicon Valley Phase II project, according to Santa Clara Valley Transportation ...

From the “You don’t know until you ask” category, the city of Fort Smith is one of 16 finalists in a challenge that could ...