Statewide Analysis Strategies

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Statewide Analysis Strategies

• Missouris Blueprint for
• Safer Roadways

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Missouris Crash Data

• Missouri State Highway Patrol (MSHP) is the
  repository for crash records
• In 2002 MSHP and MoDOT merged their crash data
  systems

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Key Principles of the Blueprint

• Statewide Reduction Goal Less than 1000
  fatalities by 2008
• Targeted fatalities and severe injuries
• Targeted both state and local roads
• Used extensive data analysis to identify key
  crash reduction emphasis areas

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Data

• Crash Data
• CODES Data
• Demographic Data

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Missouri Traffic Crash Problem

• State Data Analysis
• Regional Data Analysis

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Crash Data

• Year Fatalities
• 2001 1,098 2002 1,208 2003
  1,232
• 2004 1,130
• 2005 1,251
• 2008 1,000 or less

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Crash Analysis

• Since MoDOT and MSHP have one common database,
  able to query any data field that is captured on
  the crash report
• Statewide analysis modeled after the emphasis
  areas identified in AASHTOs Strategic Highway
  Safety Plan

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AASHTOs Strategic Highway Safety Plan Emphasis
Areas

• Run-Off Road
• Head-on
• Collisions w/ Trees
• Unsignalized Intersections
• Unlicensed Drivers
• Aggressive Driving
• Older Drivers

• Safety Belts
• Heavy Trucks
• Pedestrians
• Utility Poles
• Signalized Intersections
• Horizontal Curves
• Etc.

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3-Year Total Fatalities 2002-04
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3-Year Total Disabling Injuries2002-04
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Regional Data
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Crash Outcome DataEvaluation System (CODES)

• Link Crash Records with Hospital Records
• (ER and Hospital Admission)

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CODES

• Crash Records
• Susan Smith ? ?
• Tom Roberts ? ?
• Bill Brown
• (no injury or pre-hospital death)

• Hospital
• Records
• Emergency Room Records
• ? ? Susan Smith
• Admission Records
• ? ? Tom Roberts

Computer Program To Link Records
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Percent of Crash Victims who were Admitted or
Died by Speed Limit at the Crash Site
SPEED LIMIT
Admitted or Died
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Percent of Crash Victims who were Admitted or
Died, By Safety Belt Use
Percent
Belt Use
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Percent of Crash Victims who were Admitted or
Died, by Substance Use
Percent
Substance
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Demographic Data
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Essential Eight Strategies

• Primary Seat Belt Law
• Increase Enforcement on Targeted Crash Corridors
• Increase Public Education and Information on
  Traffic Safety Issues
• Expand the Installation of Shoulder, Edgeline,
  and Centerline Rumble Strips

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Essential Eight continued

• Expand, Improve, and Maintain Roadway Visibility
  Features
• Expand Installation of Median Three Strand Cable
  or Equivalent Barrier
• Effectively Deter, Identify, Arrest, and
  Adjudicate Alcohol and Other Drug Impaired
  Drivers and Pedestrians
• Expand Installation and Maintenance of Roadway
  Shoulders and Clear Zones

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Distribution of the Data

• Initial data provided to each region
• Provided on-site training to each region on the
  data provided and how to customize the queries
  for their use
• Statewide data is updated annually
• Continued support for the regions

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Questions
Michael Curtit, P.E. Assistant State Traffic
Engineer, MoDOT Michael.Curtit_at_modot.mo.gov (573)
526-0121 www.savemolives.com