WE WERE GOING ON A TWO WAY STREET, (OLD ANNAPOLIS ROAD, ELLICOTT CITY, MD-21042) ANOTHER CAR CROSSED THE TWO YELLOW LANES (MEDIAN) AND HIT OUR CAR HEAD- ON. THE FRONT PORTION OF OUR CAR AND THAT CAR HIT US WAS COMPLETELY DAMAGED. THE CAR BEHIND US COULD NOT STOP AND HIT OUR CAR FROM THE REAR. WE NOTED THAT BOTH THE DRIVER SIDE AND PASSENGER SIDE AIR BAGS IN OUR 2005 LEXUS 330 DID NOT DEPLOY. WE WERE GOING ABOUT 30 MILES AND THE PERSON CAME IN TO OUR LANE MAY BE 35 TO 40 MILES. I TRIED TO APPLY THE HORN AND STOP MY VEHICLE BUT COULD NOT COME TO A COMPLETE STOP. THE OTHER DRIVER PROBABLY DOZED OUT, BUT THE AIR BAGS IN HIS CAR DEPLOYED. WHY THE AIR BAGS IN OUR CAR DID NOT DEPLOY? .. UPDATED 03/31/15 *BF