Road Safety Manual
A manual for practitioners and decision makers
on implementing safe system infrastructure

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11. Intervention Selection and Prioritisation

Key messages

  • Once high risk locations have been identified, appropriate interventions must be assessed and selected to address this risk.
  • Effective road infrastructure interventions are available to help address road safety problems, regardless of the cause. These can reduce the likelihood and/or severity of a crash. Some interventions can almost eliminate death and serious injury, while others provide more limited (or incremental) improvements.
  • Interventions should be designed to address risk at a specific location, routes or across the whole road network.
  • Detailed information is available on effective interventions and when these should be used, including for those in LMICs.
  • Interventions can be selected based on the expected reduction in injury, but other factors should also be considered when selecting interventions.
  • Once appropriate locations have been identified, there is a need to assess which combination of interventions and/or locations will produce the greatest reduction in fatal and serious injuries for the budget available.
  • Economic assessment should be undertaken to identify the most cost-effective use of resources. The process for this is well established, including for LMICs, and tools are available to assist in this task.

 

Reference sources

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