Transportation

Credit: The long-delayed Silver Line extension to Dulles International Airport in Loudoun County.

DC’s airport authority ‘puzzled’ at latest Silver Line construction delay

Metro ends cash-free bus pilot; Montgomery Co. launches app-based shuttle

10 years after Metro’s deadliest crash, victims’ families gather near the scene

High-speed police chase on Beltway ends in crash, sparked delays

FBI searches Georgetown home of DC Councilman Jack Evans

10 years since Red Line crash: What it was like and how it shaped Metro