Statewide Analysis Strategies
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Transcript of Statewide Analysis Strategies
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Statewide Analysis Strategies
Missouri’s Blueprint forSafer Roadways
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Missouri’s 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 DataYear Fatalities 2001 1,098 2002 1,2082003 1,2322004 1,1302005 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 AASHTO’s Strategic Highway Safety Plan
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AASHTO’s 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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Nonuse of Occupant Protection 2,214Run-Off-Road Collisions 1,619Aggressive Driving – Following too close Too fast for conditions Speed exceed limit
(76)(957)(570)1,603
Horizontal Curves 1,222Distracted/Fatigued Drivers 832Alcohol & Other Drugs 858Commercial Vehicles 545
3-Year Total Fatalities 2002-04
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3-Year Total Disabling Injuries2002-04
Run-Off-Road Collisions 10,708Aggressive Driving – Following too Close Too fast for conditions Speed exceed limit Total for 3 Conditions
(1,589)(7,086)(1,877)10,542
Nonuse of Occupant Protection 9,934Distracted/Fatigued Drivers 6,733Horizontal Curves 7,220Alcohol & Other Drugs 4,278Young Drivers – Less than 21 3,405
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Region Total Number of Fatalities2002-2004
Total Percentage of State Fatalities
St. Louis (6) 688 19.27%
Kansas City (4) 551 15.43%
Springfield (8) 441 12.35%
Central (5) 393 11.01%
Southeast (10) 398 11.15%
Southwest (7) 349 9.78%
Southcentral (9) 278 7.79%
Northeast (3) 187 5.24%
Northcentral (2) 149 4.17%
Northwest (1) 136 3.80%
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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CODESCrash Records
Susan Smith ► ►
Tom Roberts ► ►
Bill Brown(no injury or pre-
hospital death)
Hospital Records
Emergency Room Records
► ► Susan SmithAdmission Records► ► Tom Roberts
ComputerProgramTo LinkRecords
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0 1 2 3 4 5
15-25
30-50
55-65
70
Unknown
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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01234567
Belted Sh Strap No Belt UK
Percent of Crash Victims who were Admitted or Died, By
Safety Belt Use
Belt Use
Percent
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Percent of Crash Victims who were Admitted or Died, by
Substance Use
0123456789
10
Alcohol Drugs No Al orD
UK
Substance
Percent
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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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QuestionsMichael Curtit, P.E.Assistant State Traffic Engineer, [email protected](573) 526-0121
www.savemolives.com