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The User Discussion Forum allows HSM practitioners to query each other regarding various aspects of use or implementation of the HSM, and to share experiences with the manual.  The information posted on the forum can be viewed by the general public.  To post questions, you will need to register for a user name and password. 

Use the forum to find or ask questions related to:

  • Part A – Fundamentals and Human Factors, including
    • Crash Severity Levels
    • Data Needs and Management
    • Human Factors
  • Part B – Roadway Safety Management Process, including
    • Network Screening Methods and Data Preparation
    • Diagnostic and Selection of Countermeasures
    • Economic and Prioritization Methods
    • SafetyAnalyst
    • Highway Safety Improvement Program and the HSM
    • Other Software
  • Part C
    • Safety Performance Functions
      • Development
      • Calibration
      • Crash Modification Factors (as handled in Part C)
      • Crash Proportions
    • Interactive Highway Safety Design Model
    • Other Software
  • Part D – Crash Modification Factors
    • Applications
    • New CMFs
    • Crash Modification Clearinghouse
  • Training
  • Knowledge, including
    • Errata
    • Potential Errors and Omissions
    • HSM Knowledge Gaps and Research Needs
  • HSM Applications and Success Stories