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The world’s largest wildlife crossing is taking shape over the busy Highway 101 in Agoura Hills, about 35 miles northwest of Los Angeles. Phase 1 of the project is just about complete, and Phase 2 began this summer.

Joule Capital Partners, with Caterpillar and Wheeler Machinery, plan what they say is Utah’s largest data center campus, pairing gigawatt-scale on-site power with unprecedented construction scope.

Sublime Systems' low-carbon concrete was used in a data center project for the first time, a STACK Infrastructure data center in Virginia. 

Photographs chosen by our editors from submissions to ENR.com/west/photos.

Updates about construction professionals in California, Nevada, Hawaii, Alaska, Oregon and Washington.

The Port of Nome Modification project is planned to expand the facility as the country's first deepwater port in the Arctic. 

MTA award to Halmar–FCC team involves 1.8 mile bore of twin tunnels and station shells into Harlem, part of $7.7B project backed by federal grants and congestion tolling

A $1.2B program of multiple projects is wrapping up after six years of construction, transforming Seattle’s Elliott Bay infrastructure.

Kiewit has built a reputation for accepting challenges. That approach has fueled the success of the national company and has fostered growth in the Pacific Northwest, with the firm reporting $1.3 billion in revenue in the region in 2024.

There are multiple strategies that have bolstered Concord, Calif.-based Swinerton’s regional performance over the last several years, helping its regional revenue climb nearly $1 billion year over year to reach $3.8 billion in 2024.