coronavirus March 30, 2022 5:51 pm Debate Over Masks on Public Transportation Heats Up News4 Transportation Reporter Adam Tuss talks to travelers about whether mask mandates on public transportation should remain in place. Local 1:38 Waymo self-driving cabs seen cruising around DC 2:39 States must see if bridges need more protection, NTSB chair testifies 2:27 A cyberattack temporarily shut down Metro's website last week 1:55 Demolition of portion of Key Bridge set for Monday 2:07 Senate-approved FAA bill adds flights at Reagan National