Collision diagram software compatibility with Iowa accident database

Collision diagram software compatibility with Iowa accident database

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  • Abstract:
    The Iowa DOT was interested in automated collision diagram products. The Center for Transportation Research and Education (CTRE), an Iowa State University center, completed an evaluation. This paper presents the findings. An automated collision diagram program quickly and accurately generates a graphic of intersection accident history. Limited human resources can concentrate on the safety analysis and not on manually generating collision diagrams resulting in a more efficient safety analysis program. The Iowa DOT was interested in software packages compared to the requirements. Fourteen packages were initially identified by CTRE. After the first evaluation step, nine packages were considered for evaluation. A decision matrix was developed that provided a "go" "no go" to the individual programs. From this, four programs were obtained by CTRE for further analysis, and an investigation of each was conducted. From this analysis, a final selection was made. Comparing to the requirements, Intersection Magic, distributed by Pd' Programming, was the program that the Iowa DOT selected for their collision diagram package. The software displays accident history in graphical formats and uses filters to segregate graphics for specific inquiries. This allows the evaluator the opportunity to look at different types of accidents and see if there are trends that warrrant further evaluation. The Iowa DOT is in the process of comparing the results from Intersection Magic with previously generated diagrams and developing a program for implementation in field offices.
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