MY GRANDPARENTS WERE COMING HOME FROM IL MONDAY NIGHT. MY GRANDFATHER DROVE STRAIGHT OFF A TURN AND HIT THE DITCH INTO SOME TREES. IT HAD A FRONTAL/ROLL OVER. MY GRANDFATHER (DRIVER) RECEIVED FACE FRACTURES, BUSTED RIB CAGE, AND A BROKEN LEG. HE IS CURRENTLY IN ICU. GRANDMOTHER WAS IN THE BACK LAYING DOWN FROM JUST HAVING BACK SURGERY. SHE HAD A COUPLE FRACTURED RIBS. THE AIRBAGS ON THE STEERING WHEEL AND DASH DID NOT GO OFF. THE SIDE CURTAIN AND SEAT AIRBAGS DID GO OFF.