ON THE COMMUTE TO WORK IN STOP AND GO TRAFFIC I WAS IN LINE WITH SEVERAL OTHER CARS. AS THEY BEGAN TO ACCELERATE, I ALSO BEGAN TO ACCELERATE UP TO ABOUT 20 MPH WHEN ONE OF THE CARS IN THE FRONT OF THE LINE STOPPED TO MAKE A TURN ALL THE CARS INFRONT OF ME ALSO STOPPED AND AS I WENT TO ALSO STOP THE BRAKE PEDAL WOULD NOT PUSH DOWN AT ALL, FAILING TO ENGAGE THE BRAKES CAUSING MY CAR TO DRIVE INTO THE BACK OF THE STOPPED CAR IN FRONT OF ME, RESULTING IN MAJOR FRONT END DAMAGE. THE AIRBAG DID NOT DEPLOY IN THE ACCIDENT.