From Washington, D.C., to California, from trains to bridges, the U.S. highest-profile projects are making steady progress.
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There are also projects whose future are uncertain. Among them are the Columbia River Crossing, the Denver FasTracks, the California High-Speed Rail, and the biggest of them all the FAA NextGen, a project to switch from radar-based to satellite-based flight-tracking technology and whose cost could actually be as high as $160 billion according to the Government Accountability Office.
