Virginia September 14, 2017 6:45 pm Self-Driving Tractor-Trailers Being Tested on I-66 Self-driving tractor-trailers are being tested on I-66. News4’s Adam Tuss took a ride inside what a Federal Highway Administration official called the future of transportation. Local 3:07 Artifacts removed from NMAAHC after executive order 22:20 All Ears: Commanders NFL Draft Special 1:57 Police issue curfew warning to parents after juvenile arrests at The Wharf 2:17 Community pays respects to Pope Francis at Vatican Embassy 2:31 Residents oppose 70-mile powerline in Frederick, Md., area