All eyes are on D.C. after the United States Department of Transportation sent letters to transit leaders pushing for improvement in safety and security along roads, trains and buses. On March 5, U.S.

Helicopters should be barred from a four-mile stretch over the Potomac River when flights are landing on Reagan National Airport’s Runway 33, National Transportation Safety Board Chair Jennifer Homendy said as the NTSB unveiled “urgent safety recommendations” after the deadly mid-air collision in January.