 548 traffic and weather on the 8th. Dave Dildine in the WTOP Traffic Center. It's been a big struggle around Chantilly, Oak Hill, and South Riding around Herndon as well. The hours-long closure of Route 28 northbound between Route 50 and McLaren Road where a fatal motorcycle crash happened just before 2 p.m. The investigation continues. Northbound traffic on 28 still diverted onto Route 50. 50 is completely maxed out.