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Safety Data and Analysis in Developing Emphasis Area Plans (2008) / Chapter Skim
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Pages 5-7

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From page 5...
... The guides are published as individual volumes within NCHRP Report 500: Guidance for Implementation of the AASHTO Strategic Highway Safety Plan (1–20) , and copies can be obtained from the Transportation Research Board and downloaded from http://safety.trans portation.org/guides.aspx.
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From page 6...
... • Define procedures which can be used with three levels of safety data and treatment effectiveness: – Known treatment effectiveness combined with linkable crash, roadway inventory and traffic data – Known treatment effectiveness and crash data only (e.g., no inventory data) – Unknown treatment effectiveness and crash data only • Customize the procedures and data descriptions for different groups of emphasis areas (e.g., lane departure crashes, special road-user populations including older and younger drivers, pedestrians and bicyclists)
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From page 7...
... This benefit-cost calculation will not be possible for treatments without defined effectiveness levels.)
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Key Terms

  • research board
  • transportation research
  • reduction goal
  • target populations
  • crash data

  • treatment effectiveness
  • vehicle types
  • inventory data
  • user population
  • established goal

  • nchrp report
  • potential treatment
  • effectiveness level
  • vehicle type
  • intersection inventory

  • highway safety
  • countermeasure effectiveness
  • similar procedure


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