 This is WTOP News. WTOP-FM Washington. WWW-TFM Manassas. WTLP-FM Braddock Heights, Frederick. 458. Traffic and weather together on the 8th. And back to Dave in the Traffic Center. From Centerville to Manassas, southbound traffic on Route 28 jammed. Beyond Bull Run, only one lane getting by a water main break. Leesburg Bypass open. Both ways, both lanes at the Dulles Greenway. The crash cleared.