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ATS-16: Making Data Count, Anthony Buczek
- 1. • Data analysis of serious crash patterns, factors • Recommend strategies to address the patterns found • Safety Workgroup provided guidance, peer review Regional Transportation Safety Plan and State of Safety Report Anthony Buczek, PE, PTOE Transportation Engineer
- 2. National & International context 2 Oregon
- 3. 3 Percent Decrease in Road Fatalities, 2000-2012 • Vision Zero / Safe System / Sustainable Safety National Policy • Courtesy: Chris Monsere, PhD, PE
- 4. • States that drive more see more fatalities State-by-State 4
- 5. • Surface streets with more congestion have lower serious crash rates • Likely due to speed Safety and Congestion 5
- 6. • Wider roads are disproportionately represented Number of Lanes 6
- 7. • Increased VMT more exposure more crashes • Uncongested conditions speed less safe • Wider roads less safe Some factors that Influence Safety (all else being equal) 7
- 8. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Discourage dense walkable places, encourage auto- oriented places Policy 1st-order outcome The relationship between Oregon’s mobility policy and safety 8
- 9. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Policy 1st-order outcome 2nd-order outcome The relationship between Oregon’s mobility policy and safety Less congestion 8
- 10. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Policy 1st-order outcome 2nd-order outcome The relationship between Oregon’s mobility policy and safety Less congestion Wider roads 8
- 11. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Longer trips, increase VMT Policy 1st-order outcome 2nd-order outcome The relationship between Oregon’s mobility policy and safety Less congestion Wider roads Discourage biking and walking, increase VMT 8
- 12. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Longer trips, increase VMT More fatal and serious injury crashes2 More fatal and serious injury crashes1 Policy 1st-order outcome 2nd-order outcome Safety outcome The relationship between Oregon’s mobility policy and safety Sources: 1 – Higher VMTs correlate with higher fatal and serious injury crash rates. Sources: NHTSA, Metro State of Safety report 2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report 3 – Roads with more traffic lanes have higher rates of fatal and serious crashes per mile travelled. Sources: AASHTO HSM, Metro State of Safety report Less congestion Wider roads Discourage biking and walking, increase VMT 8
- 13. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Longer trips, increase VMT More fatal and serious injury crashes1 More fatal and serious injury crashes3 More fatal and serious injury crashes2 More fatal and serious injury crashes1 Policy 1st-order outcome 2nd-order outcome Safety outcome The relationship between Oregon’s mobility policy and safety Sources: 1 – Higher VMTs correlate with higher fatal and serious injury crash rates. Sources: NHTSA, Metro State of Safety report 2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report 3 – Roads with more traffic lanes have higher rates of fatal and serious crashes per mile travelled. Sources: AASHTO HSM, Metro State of Safety report Less congestion Wider roads Discourage biking and walking, increase VMT 8
- 14. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Longer trips, increase VMT More fatal and serious injury crashes1 More fatal and serious injury crashes1 More fatal and serious injury crashes3 More fatal and serious injury crashes2 More fatal and serious injury crashes1 Policy 1st-order outcome 2nd-order outcome Safety outcome The relationship between Oregon’s mobility policy and safety Sources: 1 – Higher VMTs correlate with higher fatal and serious injury crash rates. Sources: NHTSA, Metro State of Safety report 2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report 3 – Roads with more traffic lanes have higher rates of fatal and serious crashes per mile travelled. Sources: AASHTO HSM, Metro State of Safety report Less congestion Wider roads Discourage biking and walking, increase VMT More fatal and serious injury crashes1 8
- 15. OHP (V/C) RTP Mobility Target Local LOS Standards Reduce congestion Widen roadways Induce demand, increase VMT Discourage dense walkable places, encourage auto- oriented places Induce demand, increase VMT Longer trips, increase VMT More fatal and serious injury crashes1 More fatal and serious injury crashes1 More fatal and serious injury crashes3 More fatal and serious injury crashes2 More fatal and serious injury crashes1 Policy 1st-order outcome 2nd-order outcome Safety outcome The relationship between Oregon’s mobility policy and safety Sources: 1 – Higher VMTs correlate with higher fatal and serious injury crash rates. Sources: NHTSA, Metro State of Safety report 2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report 3 – Roads with more traffic lanes have higher rates of fatal and serious crashes per mile travelled. Sources: AASHTO HSM, Metro State of Safety report Oregon’s mobility policies require the development of a transportation system that increases the risk of fatal and injury crashes. Less congestion Wider roads Discourage biking and walking, increase VMT More fatal and serious injury crashes1 8
- 16. 16 Safety reports available at www.oregonmetro.gov/safety CrashMap at crashmap.oregonmetro.gov For more information, contact: Anthony Buczek, PE – anthony.buczek@oregonmetro.gov