I believe the tire, wheel or suspension system failed while driving on the highway, causing me to hit my head on the driver's window and lose cosciousness. I skidded into a concrete barrier on the right side of the highway and was found unconscious at the scene. The damage to the passenger side body of the vehicle is minor and does not match the catastrophic failure of the wheel, leading me to believe the wheel failed and caused the crash, not that the crash resulted in the damage to the wheel. The vehicle is currently at a tow lot and available for inspection. Luckily, no other vehicles were involved, but I was injured and could have easily been killed, or injured and killed others as it is a busy highway, especially during rush hour when this occurred. Inspection by the insurance company is pending. The police did not investigate as a safety incident because they immediately said on site that almost all single vehicle accidents are drug/alcohol related and treated it like a DUI stop. I passed field sobriety tests and a breathalyzer on scene and blood work at the hospital showed no drugs or alcohol in my system. I am missing time and memories starting about 5 minutes before the crash and for about 30 minutes after as a result of my concussion, I do not remember much besides a feeling that my car was falling, then I remember being woken up by the cop asking if I was under the influence.