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Putting it all Together: Using Data in Safety Conscious Planning. By Simon Washington University of Arizona International Traffic Records Forum Denver, CO July 2003. Putting it all Together: Using Data in Safety Conscious Planning. NCHRP Project Description
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Putting it all Together: Using Data in Safety Conscious Planning By Simon Washington University of Arizona International Traffic Records Forum Denver, CO July 2003
Putting it all Together: Using Data in Safety Conscious Planning • NCHRP Project Description • Planning activities requiring safety data • Tools available/required for planning activities • Conclusions
Putting it all Together: Using Data in Safety Conscious Planning • NCHRP 8-44: Incorporating Safety into Transportation Planning • Dr. Michael Meyer, Dr. Mark Hickman, Sudeshna Mitra, Ashley Chang • Develop manual/guidance for incorporating safety into planning • Identify existing tools and gaps
System operations Develop project concepts Other sources for project ideas TIP Prosperity Alternative improvement strategies Goals and objectives Performance measures Evaluation criteria Vision Social equity/ quality of life Environmental Quality Plan Analysis methods Data Project Development Process Project design Project planning Transportation Systems Planning
Putting it all Together: Using Data in Safety Conscious Planning • Proactive activities: • Systems Operations (management) • Project Design (engineering) • Project Planning (alternatives comparison • Countermeasure analysis (evaluation) • Reactive activities: • Performance measures (milestones) • Hot Spot ID/Resource Allocation
Putting it all Together: Using Data in Safety Conscious Planning • Tools (existing or in development) • Interactive Highway Safety Design Model • Crash Outcome Data Evaluation System • Highway Safety Manual • Pedestrian and Bicycle Crash Analysis Tools • Before/After Analysis • FHWA (and other) software • Improved analytical methods
Putting it all Together: Using Data in Safety Conscious Planning • Tools (needed) • Guidance • Institutional & technical • Safety forecasting ability (planning level) • Planning level decisions • Resource allocation • Reward/incentive programs • Methods improvement • Crash modification factors • Transferability/omitted variables/etc.
Putting it all Together: Using Data in Safety Conscious Planning • Example of needed tool: • A DOT/GOHS is considering incentive programs for jurisdictions that meet safety performance measures (e.g. total crashes, fatal crashes, etc.) • How does one establish performance criteria for fatal crashes in a jurisdiction 1 year from now? (given growth in VMT, lane miles, intersections, population, schools, etc.)
Putting it all Together: Using Data in Safety Conscious Planning • Conclusions • Many useful tools are available to analyze data • Guidance is needed on how and when to use the existing tools • Inter agency cooperation essential for effective safety planning • New tools are needed to fill gaps