Phase | Factors | ||
---|---|---|---|
Human | Vehicle | Environment | |
Pre-crash | |||
Crash prevention | Information Attitudes Impairment Police enforcement | Roadworthiness Lighting Braking Handling Speed management | Road design Road layout Speed limits Pedestrian facilities |
Crash | |||
Injury prevention during the crash | Use of restraints Impairment | Occupant restraints Other safety devices Crash-protective design | Forgiving roadside |
Post-crash | |||
Life sustaining | First-aid skill Access to hospital | Ease of access Fire risk | Rescue facilities Congestion |