 WTOP's Traffic and Weather Together, Dave Dildine in the Traffic Center. Between Chantilly and Herndon, Virginia on Route 28. 28, almost all of the northbound drivers who were stuck between the diversion at Air and Space Museum Parkway and McLaren Road have been turned around. Route 28 almost empty now as Fairfax County Police prepare to investigate a fatal motorcycle crash. The last drivers are being instructed to drive southbound in the northbound lanes for about a mile.