WHILE TRAVELING APPROXIMATELY 67 MPH VEHICLE WAS INVOLVED IN A "VAULT" ROLLOVER CRASH. VEHICLE WENT OFF PAVEMENT AND IN COMING BACK ONTO ROAD VEHICLE BEGAN TO ROLL OVER. BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. VEHICLE HAS NOT BEEN EXAMINED TO DETERMINE IF THERE WAS A FAILURE IN THIS SYSTEM. DRIVER SUSTAINED TWO BROKEN RIBS/ BROKEN LEFT FOOT/ BROKEN RIGHT ANKLE, AND NECK SORENESS. PLEASE PROVIDE ANY ADDITIONAL INFORMATION / ATTACHMENTS.*AK