Major Crash Investigation Unit Criteria
  			
			  
                - Crashes involving multiple occupants, one or more vehicles, and results 
 in one or more fatalities.
- Patrol vehicle crashes with disabling
 injuries  to any person.
- School bus crashes involving one or more  fatalities.
- Fatal crashes involving a state government owned  vehicle.
- Fatal crashes involving felony charges related  to the crash investigation.
- Any crash, when directed by the state  crash reconstruction coordinator in the Field Operations Bureau.
- Fatal crashes involving a commercial vehicle  operated in commerce which meets one or more of the following: 
 
		            - Has a GVWR or combined GVWR of 26,001 pounds or  more.
- Is designed to transport 16 or more passengers  including the driver.
- Was used to haul hazardous material (amount  requiring placard).
 
- Additionally, they respond to and complete a  Technical Crash Investigation Supplement for all fatal crashes, excluding  single-vehicle, single-occupant fatal collisions. The technical crash  supplement may include:
                
                  
                    - Access and image of EDR data on support  vehicles.
- Photographs and photograph log of the crash  scene and vehicles involved.
- Scale diagram of crash scene and scene evidence.
- Math calculations to support probable  contributing circumstances.
- Direction and support of the initial  investigating officer for driver identification.
 
   			
   				