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Table 1 The Haddon matrix

From: Cost-effectiveness of strategies to prevent road traffic injuries in eastern sub-Saharan Africa and Southeast Asia: new results from WHO-CHOICE

Phase Factors
Human Vehicle Environment
 Crash prevention Information Attitudes Impairment Police enforcement Roadworthiness Lighting Braking Handling Speed management Road design Road layout Speed limits Pedestrian facilities
 Injury prevention during the crash Use of restraints Impairment Occupant restraints Other safety devices Crash-protective design Forgiving roadside
 Life sustaining First-aid skill Access to hospital Ease of access Fire risk Rescue facilities Congestion
  1. Source: World report on road traffic injury prevention, Fig. 1.3; factors in italics are those included in the analysis