VEHICLE HIT A 8-10 INCH HIGH CONCRETE DIVIDER, PASSENGER HIT HEAD ON WINDSHIELD. SEATBELT DID NOT RESTRAIN HER, SHE SUFFERED HEAD LACERATIONS/ NECK AND BACK INJURIES. DRIVER WAS NOT WEARING SEATBELT DUE TO MEDICAL REASON, HIT HEAD ON WINDSHIELD. DAMAGE TO VEHICLE UNKNOWN.*AK JG