TRUCK PROCEEDING AT ABOUT 30-35 MILES PER HR. ON A MAIN CITY STREET WHEN A CAR TRAVELED DIRECTLY IN FRONT OF IT DUE TO ITS FAILURE TO STOP AT A STOP SIGN ON A SIDE STREET. FRONT OF TRUCK CRASHED INTO CAR. EXTENSIVE DAMAGE TO FRONT OF TRUCK RESULTED. QUESTIONING WHY NO DEPLOYMENT OF AIR BAG IN THIS HEAD- ON CRASH. TRUCK'S DRIVER HIT STEERING WHEEL WITH FOREHEAD AND WAS KNOCKED UNCONSCIOUS FOR A BRIEF PERIOD OF TIME. NECK AND HIP INJURIES WERE LIKEWISE SUSTAINED. DRIVER OF TRUCK WAS AMBULANCED TO NEARBY HOSPITAL FOR TESTS AND OBSERVATION. DRIVER OF TRUCK WAS WEARING SEATBELT AT TIME OF COLLISION. POLICE REPORT NOT YET AVAILABLE. ACCIDENT OCCURRED 4/3/17 IN THE EVENING.