How Trump’s Proposed Arch Could Complicate D.C.’s Congested Airspace (opens in new tab)

The arch President Trump wants to build in Washington, D.C., would sit under one of the most complex sections of the national airspace. The Trump administration said the FAA had compiled preliminary findings from an initial review of whether the arch presented any risks to Washington's airspace. According to a New York Times analysis, the arch would warrant further study under at least one guideline. On Friday, FAA evaluators recommended that red, blinking obstruction lights similar to the on...