ACCIDENT INVOLVING TRACTOR TRAILER; ALL LANES OPEN; DELAYS FROM BRADDOCK TO 270; OUTER LOOP LANES OPEN; SLOW FROM THE 270 SPUR WHICH SLOWS AT DEMOCRACY BLVD; TOLL RD 267 SLOWS FROM RT 7 TO 66, NORTHBOUND GW PKWY FROM AFTER SPOUT RUN, 66 FROM RT 50, 7 FROM SPRING HILL ALL TO 495.