MY 2005 TOYOTA PRIUS BRAKES DIDN'T ENGAGE WHEN I PRESSED ON THEM IN STOP AND GO TRAFFIC. I WAS BEHIND A UTILITY TRUCK WITH A CONCRETE POST HANGING ABOUT 10 FEET OFF THE BACK OF IT (PROPERLY MARKED), AND I GAVE MYSELF ROOM BEHIND THE TRUCK AND WAS AWARE OF THE POLE HANGING OFF OF THE TRUCK. TRAFFIC STARTED MOVING, AND I WAS GOING BETWEEN 5-15MPH, AND THEN THE TRUCK BRAKED AND I BRAKED BUT MY BRAKES DIDN'T RESPOND UNTIL THE CONCRETE POLE HAD COME THROUGH MY WINDSHIELD AND ROOF, INCHES FROM MY HEAD. MY ENGINE/FRONT OF CAR WAS NOT DAMAGED BUT MY INSURANCE ADJUSTOR HAS ESTIMATED DAMAGES AT A MINIMUM OF $4,000-$4,500 FOR THE WINDSHIELD AND ROOF, NOT INCLUDING POSSIBLE DASH REPLACEMENT FROM THE SHATTERED GLASS IN THE VEHICLE. THE CAR WAS DRIVABLE TO MOVE OFF OF THE ROAD, BUT FAILED TO TURN BACK ON WHEN THE TOW TRUCK ARRIVED. I HAVE REPORTED THIS INCIDENT TO TOYOTA AND AM WAITING FOR A CASE MANAGER TO GET IN TOUCH WITH ME. I WAS MIRACULOUSLY NOT CUT, MAIMED, OR DECAPITATED, BUT HAVE SUSTAINED SHOULDER, BACK, NECK, AND ARM INJURIES AND AM SEEING A CHIROPRACTOR AND AWAITING X-RAY RESULTS. I ALSO HAVE BRUISING FROM MY KNEE HITTING THE DASH BOARD. MY MILEAGE IS APPROXIMATE BASED ON AN OIL CHANGE RECEIPT I FOUND FROM LAST MONTH. *TR