There is a need for the development of safety analysis tools to allow PennDOT to better assess the safety performance of road segments in the Commonwealth. The project utilized a safety management system database at PennDOT that integrates crash, occupant, vehicle and traffic information in an integrated searchable format (i.e., C-DART). The analyses conducted and models produced in this research should enhance PennDOT's ability to conduct safety analyses, particularly those using C-DART. The list of sites with promise contains a rank ordering of road segments offering the greatest potential for safety improvement. The model containing crash severity levels should give PennDOT additional confidence when combining fatal and severe injury crashes in needed analyses. Lastly, the models including census data have explored the feasibility of using that approach to safety modeling (although additional testing is needed).
Statewide Crash Analysis and Forecasting
2008
38 pages
Report
No indication
English
Transportation Safety , Road Transportation , Transportation , Transportation & Traffic Planning , Motor vehicle accidents , Forecasting , Traffic safety , Accident reduction , Pennsylvania , Fatalities , Injuries , Property damage , Losses , Population , Sites , Performance evaluation , Data analysis
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