Ronald Reagan Washington National Airport (DCA) August 24, 2017 6:55 pm Behind-the-Scenes at Reagan National Airport Construction A new concourse is in the works at Reagan National Airport. News4’s Transportation Reporter Adam Tuss has a behind-the-scenes look at how construction is coming along. Local 0:32 Photo shows person riding on back of Metro rail car 2:12 2 teens arrested in Greenbelt senior skip day shooting 2:15 Veteran of wars in Iraq, Afghanistan killed in Laurel hit-and-run 3:28 Social media and teens' mental health: A psychiatrist weighs in 1:41 DC-area police ramp up traffic enforcement in pedestrian safety campaign