I WAS INVOLVED IN A 40 MPH FRONTAL IMPACT COLLISION WITH ANOTHER VEHICLE. THE INITIAL IMPACT OCCURRED ON THE DRIVER SIDE FRONT CORNER OF THE VEHICLE. DURING THE INITIAL COLLISION ME HEAD SWUNG SIDEWAY STRIKING THE B POST WINDOW AREA AND KNOCKED ME UNCONSCIOUS FOR A SHORT TIME. I THEN T-BONED A TRUCK AND FINALLY CAME TO REST AGAINST ANOTHER VEHICLE. AT NO TIME DID MY AIRBAGS (FRONT OR SIDE) DEPLOY. NOR HAS MY VEHICLE EVEN REGISTERED THAT I WAS INVOLVED IN A COLLISION. I REQUIRED MEDICAL ATTENTION AND WAS TRANSPORT TO THE HOSPITAL. AFTER EXAMINATION AND SCANNING/XRAYS, ETC. I HAD RECEIVED A CONCUSSION. I HAVE THE POLICE REPORT AS WELL AS MORE PICTURES IF REQUIRED. THE IMPACT WAS STRONG ENOUGH TO BEND THE FRAME ON MY VEHICLE.