A four-mile borehole under the Straits of Mackinac is back on the table as a feasible option to replacing the controversial pipeline.

Federal, state and local dignitaries gathered in Idaho Springs on May 3 to mark the next major milestone in the Colorado Dept. of Transportation’s Interstate 70 Twin Tunnels Project—the beginning of ...

Komatsu, through its subsidiary, Komatsu Cummins Chile, has agreed with Codelco, a major state-owned mining company in Chile, to collaborate on trialing a new tunnel excavation method using Komatsu's ...

CASCADE LOCKS, Ore. – The rainy forecast has delayed a major construction project along Interstate 84 in the Columbia Gorge. Transportation crews were set to do rock blasting and drilling to shape a ...

DETROIT, Mich., (WPBN/WGTU)— The U.S. Army Corps of Engineers has released its draft environmental impact statement for the Line 5 tunnel project, a comprehensive document nearly 500 pages long with ...