Crews have finished recovering the wreckage of a plane and helicopter that collided mid-air, killing 67 people.

Officials announced Tuesday that the section of the Potomac River that was impacted by the DCA crash has been fully restored.

The company’s new step-by-step wayfinding app is available to users of the Washington, D.C., transit system. It spans 11,000 bus stops on 325 routes, as well as 93 rail stations, and does not collect ...