ON MONDAY, JUNE 20 AS I WAS DRIVING UP THE RAMP TO GO TO THE GW BRIDGE, THERE WAS A LOT OF TRAFFIC AND WE WERE IN A SLOW MOTION. I WAS PRESSING THE BRAKES TO AVOID HITTING THE OTHER CAR BUT MY CAR KEPT ON ROLLING AND THEREFORE IT HIT THE BUMPER OF THE ACURA CAR IN FRONT OF ME. WHAT I DO NOT UNDERSTAND WAS THE BRAKES WERE SERVICED 3 MONTHS BEFORE, BUT STILL IT DID NOT WORK AND I WAS VERY SURE THAT I WAS PRESSING THE BRAKES AND NOT THE GAS PEDAL BUT STILL IT DID NOT STOP!