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As Seattle’s Alaskan Way Viaduct Replacement Project heads toward a planned opening next year, Hitachi, the manufacturer of the 57.5-ft-dia tunnel-boring machine Bertha, has clarified its defense claims in the lawsuit and even shared its feelings about a snub it perceived at the breakthrough ceremony marking the progress of the work.

The Missouri Hyperloop Coalition—a public-private partnership that includes the Missouri Dept. of Transportation, the University of Missouri and other public stakeholders—announced on Jan. 30 an agreement to produce a feasibility study for a 248-mile hyperloop route, connecting Kansas City, Columbia, Mo., and St. Louis.

Three years after its much-publicized launch, Pennsylvania’s ambitious Rapid Bridge Replacement Program is well short of its goal to replace 558 structurally deficient bridges.

The Allegheny County Airport Authority has begun its search for architect-engineering firms to realize Pittsburgh International Airport’s $1.1-billion terminal modernization program.

Industry officials welcome State of the Union pro-infrastructure comments, but say funding still isn't clear.

$2 billion Crenshaw-LAX light rail line expected to provide economic boost to L.A. neighborhoods