A DASSAULT 20 ON APCH AT 1000 FT DECLARED AN EMER AND MADE AN OFF ARPT LNDG DUE TO BOTH ENGS SHUTTING DOWN CAUSED BY A BROKEN THROTTLE STOP ALLOWING THE THROTTLES TO RETARD TO FUEL CUTOFF.

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THE FLT ORIGINATED AT NASHVILLE INTL ARPT. WE WERE FILED IFR TO KANSAS CITY DOWNTOWN ARPT. 2 PERSONS WERE ABOARD; MYSELF AND THE FO. APCHING THE FIELD WE WERE GIVEN RADAR VECTORS FOR RWY 1. UPON SIGHTING THE FIELD WE WERE CLRED FOR A VISUAL APCH TO RWY 1. I REDUCED THE THRUST LEVERS AND WE STARTED OUR DSCNT FOR THE ARPT. AFTER CONFIGURING FOR LNDG (GEAR DOWN; FLAPS 40 DEGS); I PUSHED THE THRUST LEVERS FORWARD AND FELT NO CHANGE IN THRUST. IT HAD SEEMED THAT BOTH ENGS HAD QUIT. THE ACFT'S ALT WAS TOO LOW TO GLIDE TO ANY RWY IN ITS LNDG CONFIGN AT APCH AIRSPDS. I QUICKLY ATTEMPTED A RESTART ON THE R ENG AND CALLED FOR FLAPS 25 DEGS. THE ENG DID NOT START. I TOLD THE FO TO ALERT THE TWR THAT WE WERE ENG OUT AND GOING DOWN. DSNDING RAPIDLY; I DECIDED TO TRY AND LAND SAFELY BY BANKING THE AIRPLANE INTO A L TURN TOWARD A NEARBY STRIP OF LAND. WE ROLLED WINGS LEVEL AND LANDED NEXT TO A FREEWAY ON THE STRIP OF LAND. AFTER TOUCHDOWN; I PULLED THE AIRBRAKES; APPLIED MAX BRAKING AND CALLED FOR THE DRAG CHUTE WHICH THE FO DEPLOYED. THE ACFT CAME TO A STOP. WE CALLED THE TWR AND TOLD THEM OUR POS AND THAT WE HAD NO INJURIES. I BELIEVE THE THRUST LEVER IDLE STOP FAILED. SUPPLEMENTAL INFO FROM ACN 399298: APR/XX/98; WE SPOKE WITH THE FAA INSPECTORS OF THE KANSAS REGION. THE CAUSE THEY CAME UP WITH AT THE SCENE WAS A PROB WITH THE THROTTLE QUADRANT. THE R THROTTLE STOP HAD SHEARED OFF AND THE L STOP HAD TURNED SO THAT WHEN THE THROTTLES WERE PULLED BACK TO FLT IDLE IT ALLOWED THE THROTTLES TO GO THROUGH THE GATE TO IDLE CUT OFF. THIS IS THE REASON FOR OUR ENG FAILURES; AND THE REASON WE COULD NOT GET THE ENGS RESTARTED; BECAUSE WE THOUGHT THE THROTTLES WERE STILL IN THE FLT IDLE POS.