THROTTLE STUCK AT 71 MPH CRUISE CONTROL WAS NOT ENGAGED, WHEN BRAKES WERE APPLIED VEHICLE WOULD NOT SLOW DOWN AND CONTINUED THROUGH AN INTERSECTION STRIKING A STOP SIGN WHICH FELL ON THE CAR BRAKING THE WINDSHIELD AND DAMAGE TO THE LEFT FRONT FENDER AND SCRATCHS ALONG THE LEFT SIDE OF VEHICLE, UPON CHECKING THE VEHICLE AT THE SCENE THE THROTTLE WAS STILL STUCK IN THE WIDE OPEN POSITION, IT TOOK SOME FORCE TO BREAK IT LOOSE.