THE BRAKING SYSTEM FAILED WHILE DRIVING; I WAS APPROACHING A TRAFFIC LIGHT AND SLOWING DOWN AND AT ABOUT 15-20 MPH AND SLOWING THE BRAKE PEDAL WENT STRAIGHT TO THE FLOOR. THE VEHICLE WAS NO LONGER SLOWING DOWN SO I PUMPED THE BRAKES TO TRY AND REGAIN SOME KIND OF BRAKING AND THE ABS SYSTEM TRIED TO KICK IN BUT WAS ONLY PARTIALLY AFFECTIVE AND SLOWED THE VEHICLE DOWN ENOUGH TO COME TO A STOP AFTER I CROSSED THE INTERSECTION AND RAN OVER A CURB.