Construction under a progressive design-build contract is expected to begin next year.

Over 16 months, four dams built between 1903 and 1962 came down as part of a monumental effort to clear 35 river miles in Oregon and California.

Technical qualifications took precedence over price in progressive design-build award.

As major projects begin wrapping up under the current program, Sound Transit gears up for the next $54-billion stage.

A request for proposals for the plant, set to produce 30 million gallons of water per day, will be released July 8 to selected bidders.

The planned Frederick Douglass Tunnel would replace the 150-year-old B&P Tunnel.

First installed turbine at the 132-GW South Fork project off the New York coast has now sent wind energy to the state grid, with first power flow also imminent at the 800-MW Vineyard Wind project off Massachusetts and other state projects pushing past ongoing constraints.

A flat muskeg maze-like landscape laced with ponds and streams isolated Whatì—a remote settlement of the Tłı̨chǫ First Nations people in Canada’s Northwest Territories—for much of the year.

At $1.3 billion, Central 70 is Colorado’s largest highway infrastructure project in state history. Made possible through a public-private partnership, the project rebuilt 10 miles of Interstate 70, added an express lane in each direction, removed a 50-year-old viaduct and lowered the interstate below grade between Brighton and Colorado boulevards.

Connecting remote communities to high-speed internet required innovative technology and hard hours of work for crews from Kiewit, which was chosen as construction manager at-risk to install 67 miles of high-capacity fiber optic infrastructure.