This part of the study examines the locations of high trends of severe crashes (incapacitating and fatal crashes) on multilane corridors in the state of Florida at two levels, county level and roadway level. The Geographic Information System (GIS) tool, which is used frequently in traffic safety research, was utilized in this study to identify those locations. At the roadway level, seven counties were chosen for the analysis based on their high severe crash trends, metropolitan size and geographical location. Several GIS maps displaying the safety level of multilane corridors in the seven counties were generated. The GIS maps were based on a ranking methodology that we developed and which evaluated the safety condition of road segments and signalized intersections separately. The GIS maps were supported by tables which provided the milepoints of the most hazardous locations on the roadways. The results of the roadway level analysis found that the worst corridors were located in Pasco, Pinellas and Hillsborough counties.
Reducing Fatalities and Severe Injuries on Florida's High-Speed Multi-Lane Arterial Corridors. Part III: County Level and Roadway Level GIS Safety Analysis of State Multilane Corridors in Florida
2009
126 pages
Report
No indication
English
Transportation Safety , Road Transportation , Transportation & Traffic Planning , Transportation , Highway arterials , Accident reduction , Severe crashes , Arterials , Exploratory analyses , Figures , Tables (Data) , Research design , Methodologies , Fatalities , Severity analysis , Literature reviews , Research methodologies , Injuries , Geographic information systems , Florida , Driver crash involvements , Total crash counts , Severe crash counts , Logistic regressions
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