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Larry E. Tibbits Michigan Department of Transportation Kuala Lumpur, Malaysia

PIARC T.C. C2.1 Comparison of National Road Safety Policies & Plans Crash Analysis/Problem Definition October 2008. Larry E. Tibbits Michigan Department of Transportation Kuala Lumpur, Malaysia. Crash Information in Michigan to Define Problems Areas.

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Larry E. Tibbits Michigan Department of Transportation Kuala Lumpur, Malaysia

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  1. PIARC T.C. C2.1 Comparison of National Road Safety Policies & PlansCrash Analysis/Problem DefinitionOctober 2008 Larry E. Tibbits Michigan Department of Transportation Kuala Lumpur, Malaysia

  2. Crash Information in Michigan to Define Problems Areas

  3. Crash Incident Documentation/Processing • Crash report is completed by Law Enforcement Officer • All crashes involving injuries, and most property damage crashes must be reported • Statewide standard crash report form (next slides) • Paper and electronic version of crash report form • All reports processed by Michigan State Police • All reported crashes are located on linear and GIS based referencing systems

  4. Michigan Crash Report Form (front)

  5. Michigan Crash Report Form (back)

  6. Crash Processing • Scan the form and create electronic image • Use intelligent character recognition of written information • Validate text data • Attach location information • Post crash data to crash data warehouse

  7. Safety Analysis to DefineProblem Areas • Michigan Strategic Highway Safety Plan – data driven identification of 12 safety focus areas • Identification of Engineering, Enforcement, Education, and Emergency Medical Services treatments • Highway Safety Improvement Program (HSIP) • Identify high crash locations for treatment • 5% Report – worst 5% of locations statewide • Post safety treatment evaluations

  8. Safety Analysis to DefineProblem Areas Of the 12 SHSP focus areas, three are predominately addressed by the HSIP: • Intersection safety • Pedestrian and Bicycle Safety • Lane Departure

  9. Safety Analysis to DefineProblem Areas These locations are identified through: • High crash list • 5% Report • Fatality and serious Region wide maps • Project Required Safety Reviews • Customer concerns • Pavement friction analyses

  10. Summary • Michigan a has sound crash records system in place • Crash data, along with other safety data allow for problem identification, selection of treatments, and evaluation of implemented safety treatments • Crash data is essential to Michigan identifying strategic highway safety goals and monitoring safety performance • http://www.michigan.gov/tands

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