Session #9: Summary and Closure

1. HSM Roadway Safety Management Process Session #9: Summary and Closure

2. HSM SUMMARY Learning Outcomes: • Review important aspects of the HSM • Review the six steps in the Roadway Safety Management Process • Available references to broaden your knowledge of the HSM

3. Each HSM Part Provides Value to Transportation Professionals

4. Highway Safety Manual Contains Best Science & Research • Synthesis of previous research • New research commissioned by AASHTO and FHWA

5. HSM is Not Just for Safety Experts!

6. “Road safety management is in transition. The transition is from action based on experience, intuition, judgment, and tradition, to action based on empirical evidence, science, and technology…” Ezra Hauer. (May 2005) HSM summary

7. Safety Management Summary HSM Part B – Roadway Safety Management Process • Presents procedures and information useful in monitoring and reducing crash frequency on existing roadway networks • Six Steps in the Roadway Safety Management Process • Can be use sequentially as a process, or, • Can be selected and applied individually to respond to a specific problem or project

8. Safety Management Summary Network Screening Chapter 4 • Review transportation network • Identify problem locations, road segments, corridors, etc. • Rank the sites based on potential for reducing crash frequency

9. Safety Management Summary Diagnosis Chapter 5 • Diagnosis = evaluation to identify crash patterns using: • Past studies to identify known issues • Physical characteristics of the site • Driver behavior at the site • Other Information

10. Safety Management Summary Select Countermeasures(CHAPTER 6) • Identify contributing factors • Select potential countermeasures or treatments • Apply countermeasures

11. Safety Management Summary Economic Appraisal Chapter 7 • Determine if a project is economically justified • Identify project with the greatest value for the investment

12. Safety Management Summary Prioritize Projects Chapter 8 • Economically justified improvements • Specific sites • Across multiple sites • Improvement projects • Cost • Mobility • Environmental impacts

13. Safety Management Summary Safety Effectiveness Evaluation Chapter 9 • Countermeasure effectiveness • Crash reduction • Frequency • Severity ?

14. Companion Software HSM References and Resources

15. HSM Part B – Safety Effectiveness Evaluation

16. “Safety Analyst”

17. HSM References and Resources http://www.highwaysafetymanual.org/

18. HSM References and Resources • Important HSM Tools: • HSM Spreadsheets • Facilitates HSM calculations • Developed by Oregon State University • http://www.highwaysafetymanual.org • HSM User Discussion Forum • Submit questions/concerns to HSM Panel members for answers • http://www.highwaysafetymanual.org/Pages/UserDiscussionForum.aspx

19. HSM References and Resources • HSM Overview (June 14) • Two-Lane Rural Road Segments (June 16) • Multilane Urban/Suburban Intersections (June 22) • Project Identification Using HSM (June 24) • Rural Two-Lane Intersections (June 29) • Multi-Lane Highway Segments (July 7) • Urban/Suburban Highway Segments (July 8) • HSM and Pedestrians (July 12) • Rural Multilane Intersections (July 13) • Horizontal Curves (July 14) • Roadway Departure (July 27) • HSIP (August 4) HSM Applications – 12 Webinars: http://www.highwaysafetymanual.org/Pages/FHWAResourceCenterHSMWebinarSeries.aspx

20. HSM References and Resources http://safety.fhwa.dot.gov/hsm/

21. HSM References and Resources http://www.nhi.fhwa.dot.gov

22. Now You Know Something about the HSM… • What is needed for you to apply it? • What is needed for your agency or organization to institutionalize it? • What can you do to facilitate this?

23. HSM SUMMARY Learning Outcomes: • Reviewed important aspects of the HSM • Reviewed the six steps in the Roadway Safety Management Process • Available references to broaden your knowledge of the HSM

24. Module 7. HSM Summary Final Questions?