 This is WTOP News. WTOP-FM Washington. WWW-TFM Manassas. WTLP-FM Braddock Heights, Frederick. Back to the traffic center we go, and back to Dave Dildine. Virginia Route 28 northbound still closed between Route 50 and McLaren Road as the crash investigation continues. Southbound delays have eased back a bit, but it's still slow. Southbound lanes are open.