Skip to main content

Guidelines for Selection of Speed Reduction Treatments at High-Speed Intersections (2008) / Chapter Skim
Currently Skimming:

Appendix A - Treatment Implementation Process Framework
Pages 65-67

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 65...
... The framework shown in Exhibit A-1 provides an outline of basic steps needed to evaluate an intersection and consider possible speed reduction treatments. 65 A P P E N D I X A Treatment Implementation Process Framework
Read the entire page →
From page 66...
... Reason Speeds Are High Willful violation Inappropriate posted speed Environment contributes to speed (speed adaptation, lack of awareness, poor visibility) Congestion patterns Issues of High Speed Uniformity of flow Prevailing speeds above posted Role of Speed Is speed itself an issue?
Read the entire page →
From page 67...
... Treatment Implementation Process Framework 67 TREATMENT SCREENING Fatal-Flaw Analysis Approach type Control type Physical constraints Cost Noise Maintenance Detailed Treatment Evaluation Target Speed Design Posted Operating Effects Speed effects Safety effects Maintenance Approach Type Major or minor Stop-controlled Signalized Uncontrolled Yield-controlled Type of Treatment Isolated Continuous Combination Potential Secondary Impacts Capacity Pedestrians/bicycles ADA Land use Economics Enforcement needs Construction TREATMENT IMPLEMENTATION Design Geometric and operational influence areas Opportunities to reinforce existing treatments/features Distance required for speed transition Perception–reaction distance Driver workload Opportunities to combine treatments Implementation Address public education and awareness Consider construction impacts Create evaluation plan Exhibit A-1. (Continued)
Read the entire page →

Key Terms

  • treatment implementation
  • process framework
  • implementation process
  • additional speed
  • inappropriate posted

  • posted speed
  • reduction reduce
  • reduce crashes
  • reason speeds
  • speed uniformity

  • willful violation
  • congestion patterns
  • environment contributes
  • prevailing speeds


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
    More information on Chapter Skim is available.