TWICE IN THE PAST TWO MONTHS VEHICLE DID A 360 DEGREE TURN AFTER THE BRAKES WERE APPLIED. ONE OCCURRENCE WAS ON WET ROAD SURFACE, AND THE OTHER INCIDENT OCCURRED ON DRY ROAD SURFACE. AN ACCIDENT INVESTIGATOR RULED OUT THE ABS BRAKES BEING AS THE CAUSE. AN ACCIDENT OCCURRED ON THE WET SURFACE WITH THE VEHICLE COLLIDING INTO BARRIER. *AK