• Data analysis of serious crash patterns, factors
• Recommend strategies to address the patterns found
• Safety Workgroup provided guidance, peer review
Regional Transportation Safety Planand State of Safety Report
Anthony Buczek, PE, PTOETransportation Engineer
National & International context
2
Oregon
3
Percent Decrease in Road Fatalities, 2000-2012
• Vision Zero / Safe System / Sustainable Safety National Policy• Courtesy: Chris Monsere, PhD, PE
• States that drive more see more fatalities
State-by-State
4
• Surface streets with more congestion have lower serious crash rates
• Likely due to speed
Safety and Congestion
5
• Wider roads are disproportionately represented
Number of Lanes
6
• 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
OHP (V/C)RTP Mobility Target
Local LOS Standards
Reduce congestion
Widen roadways
Discourage dense walkable places, encourage auto-oriented places
Policy1st-orderoutcome
The relationship between Oregon’s mobility policy and safety
8
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
Policy1st-orderoutcome
2nd-orderoutcome
The relationship between Oregon’s mobility policy and safety
Less congestion
8
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
Policy1st-orderoutcome
2nd-orderoutcome
The relationship between Oregon’s mobility policy and safety
Less congestion
Wider roads
8
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
Policy1st-orderoutcome
2nd-orderoutcome
The relationship between Oregon’s mobility policy and safety
Less congestion
Wider roads
Discourage biking and walking,
increase VMT
8
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
Policy1st-orderoutcome
2nd-orderoutcome
Safetyoutcome
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 report2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report3 – 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
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
Policy1st-orderoutcome
2nd-orderoutcome
Safetyoutcome
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 report2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report3 – 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
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
Policy1st-orderoutcome
2nd-orderoutcome
Safetyoutcome
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 report2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report3 – 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 VMTMore fatal and serious
injury crashes1
8
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
Policy1st-orderoutcome
2nd-orderoutcome
Safetyoutcome
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 report2 – Higher levels of congestion correlate with lower fatal and serious injury crash rates, likely due to speed. Source: Metro State of Safety report3 – 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 thatincreases the risk of fatal and injury crashes.
Less congestion
Wider roads
Discourage biking and walking,
increase VMTMore fatal and serious
injury crashes1
8
16
Safety reports available at www.oregonmetro.gov/safetyCrashMap at crashmap.oregonmetro.gov
For more information, contact:Anthony Buczek, PE – [email protected]
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