WAS GOING DOWN HILL AT 40MPH THE LIGHT TURNED RED I TRIED TO STOP I PUMPED THE BRAKES TWICE THEN TWICE AGAIN THE LAIN TO MY LIFE WAS FULL TO MY RIGHT WAS A CURB ABOUT 13IN HEIGHT AND BY THEN WE WERE IN THE BACK END OF THE CAR IN FRONT OF US AND NO AIR BAGS I DON'T KNOW WHEN AIR BAG DEPLOY OR AT WHAT SPEED I THANK GOD FOR OTHER CARS BACK ENDS THAT WE CAN HIT AND NOT KILL ANY ONE I GUESS. *TR