VEHICLE WAS AT THE STOP SIGN FOR THE HIGH SPEED TRAIN. THE VEHICLE WAS REARENDED BY A TRUCK. BRAKES WERE APPLIED, THE BRAKES FAILED AND THE VEHICLE CONTINUED TO GO TOWARDS THE RAILROAD CROSSING WITH APPROACH OF THE HIGH SPEED TRAIN. THE DRIVER IN DESPERATION MADE A U-TURN STILL TRYING TO STOP THE VEHICLE. IN DESPERATION THE GEAR WAS SHIFTED TO PARK AND THE KEY REMOVED, THE VEHICLE CONTINUED TO ROLL JUMPED THE CURB AND FORTUNATELY RAN INTO TREE WHICH STOPPED THE VEHICLE. THE VEHICLE BODY DAMAGE IS BEING REPAIRED. *TR