MODERATE CONGESTION; SLOW TRAFFIC; DELAYS EXTEND ONTO 395 TO SEMINARY RD; SLOW AGAIN FROM THE PENTAGON TO THE 14TH ST BRIDGE; NORTHBOUND RTE 1 SLOWS FROM OPITZ BLVD TO GUNSTON RD AND FROM ARMISTEAD RD TO ROUTE 7100; BACKLICK RD ALSO SLOW WITH BAILOUT;