THROTTLE STUCK OPEN IN THE MATTER OF FULL THROTTLE VERY HIGH RPMS . DRIVER LEFT THE ROADWAY . A GRASS AND DIRT SHOULDER IN ATTEMPTS TO SLOW VEHICLE DOWN CAUSING 12 POINTS OF INITIAL CONTACT UNTIL VEHICLE AND DRIVER LANDED OFF ROADWAY NOT ENTERING A TRAFFICWAY AHEAD . INJURIES WHERE SERIOUS AND EMS WAS NOTIFIED .ACCIDENT # 020600158