I WAS HIT HEAD-ON BY A DRIVER TRAVELLING IN THE OPPOSITE LANE WHO WENT OVER A MEDIAN ON A 45 MPH CITY STREET. I HAD A SPLIT SECOND TO START BRAKING BUT THE OTHER DRIVER DID NOT EVEN ATTEMPT TO STOP. NONE OF THE AIRBAGS IN THE VAN DEPLOYED. I WAS INJURED AND THE VAN HAD EXTENSIVE FRONT END DAMAGE.