WHILE DRIVING 40 MPH, THE RIGHT KNUCKLE SEPARATED CAUSING THE RIGHT WHEEL TO BREAK AND TURN ONTO ITS SIDE WHILE ON THE HIGHWAY. THE CAPABILITY OF STEERING WAS GONE AND THERE WAS NO WAY TO CONTROL THE VEHICLE. AS A RESULT, THE CAR TURNED OVER ONTO ITS TOP IN A DITCH. THIS ACCIDENT TOTALED THE VEHICLE.