 Keep it here for full details in the minutes ahead. 618. Traffic and weather on the 8th and Dave Dildine in the WTOP Traffic Center. Fairfax County on many routes through Chantilly and South Riding. All of the traffic congestion resulting from the hours-long closure of Route 28 northbound between Route 50 and McLaren Road where a fatal motorcycle crash happened around 2 p.m. The investigation is over.