DISABLED TRACTOR TRAILER; ON THE RIGHT SHOULDER CHANGING A TIRE; TRAFFIC SLOWS TO LOOK; 95 SLOWS AGAIN FROM POTOMAC MILLS TO ROUTE 1   WOODBRIDGE AND THEN FROM NEWINGTON ONTO 395 TO THE 14TH ST BRIDGE; NORTHBOUND RTE 1 IS SLOW FROM OPITZ BLVD TO 123 AND FROM 95 TO GUNSTON RD.