WHILE DRIVING IN A SLOW MOVING CONSTRUCTION ZONE, APPLIED THE BRAKES AND THE VEHICLE FAILED TO STOP, CONTINUING TO MOVE FORWARD. NOTICED ON THIS PARTICULAR VEHICLE THAT AT TIMES ANTI LOCK BRAKES COME ON AND MAKES THE VEHICLE MORE DIFFICULT TO CONTROL. SPECIFICALLY UNDER WET ROAD CONDITION ON ASPHALT, BUT DOES HAPPEN OCCASIONALLY ELSEWHERE.