I WAS DRIVING NW ON SR626 ABOUT 45 MPH WHEN A WHITE CAR PULLED FROM STOP SIGN STRIKING MY CAR IN THE PASS SIDE, HITTING REAR TIRE AND BODY JUST IN FRONT OF TIRE AS I WAS SWERVING LEFT TO MISS CAR. AT IMPACT MY CAR SPUN 180 DEGREES SLIDING BACKWARDS INTO A DEEP DITCH, ON RIGHT SIDE OF ROAD, ROLLING ONTO DRIVERS SIDE THEN BACK ONTO ALL FOUR WHEELS. THE AIRBAGS NEVER DEPLOYED AS I WAS TOSSED AROUND INSIDE CAR HITTING MY HEAD, NECK AND LEFT SHOULDER AREA CAUSING INJURY. I DID HAVE MY LAP AND SHOULDER BELT ON AND IN THE CORRECT POSITION. *TR