Comparative Crash Data Analysis Pasco County, FL US 19 Corridor Topics: Corridor Overview Corridor Overview Data Assets Data Assets Analytical Approach Analytical Approach Pasco County, US 19 6 Lane Divided Restricted Median 6 Lane Divided Restricted Median Urban/Suburban Design Standard Urban/Suburban Design Standard Pasco County, US 19 6 Lane Divided Restricted Median 6 Lane Divided Restricted Median Urban/Suburban Design Standard Urban/Suburban Design Standard Pasco County, US 19 40,000 72,000 AADT 40,000 72,000 AADT Pasco County, US 2002 Total Crash Frequency 1999 2002 Total Crash Frequency 4,034 Long Form Crashes in 5 Years 4,034 Long Form Crashes in 5 Years > 75 Pasco County, US 2002 Total Injury Frequency 1999 2002 Total Injury Frequency 3,677 Injuries 3,677 Injuries $13.7m Damage $13.7m Damage Pasco County, US 2002 Total Fatalities 1999 2002 Total Fatalities 108 Fatalities 108 Fatalities Data Assets: Florida Department of Transportation (FDOT) Crash Data Florida Department of Transportation (FDOT) Crash Data FDOT Roadway Characteristics Inventory GIS FDOT Roadway Characteristics Inventory GIS Other Assets Other Assets Data Assets: Florida Department of Transportation (FDOT) Crash Data Florida Department of Transportation (FDOT) Crash Data Linear Referenced Crash Locations 1999 2002 (5 Year) Database Node Assignments & Locations Scanned Crash Report Archive Data Assets: FDOT Roadway Characteristics Inventory GIS FDOT Roadway Characteristics Inventory GIS Annual Traffic Volumes Intersection Traffic Control Type Roadway Cross Section Configuration Data Assets: Other Assets Other Assets Aerial Imagery Off-State Road System Traffic Volumes (Major Intersection Entering Volumes) FDOT 5 - Year Work Program Database Land Use Data Data Assets: Complete Crash Management System Crash Data GIS/Infrastructure Data Traffic Data Field Observation Analytical Approach: Categorization Categorization Prioritization Prioritization Comparative Analysis Comparative Analysis Analytical Approach: Categorize (FDOT) Categorize (FDOT) Area Type (Urban, Suburban, Rural) Number of Lanes (2, 4, 6, 8) Median Type (Undivided, Divided, Divided-Restricted, 1-Way) Analytical Approach: Categorization (FDOT Model) Categorization (FDOT Model) Area Type (Urban, Suburban, Rural)= 3 Number of Lanes (2, 4, 6, 8) = 4 Median Type (Undivided, Divided,= 4 Divided-Restricted, 1-Way) 3 x 4 x 4 = 48!! Analytical Approach: Other Categorization Tools Other Categorization Tools Traffic Volume Speed Classes Access Management Standards Terrain (Well, Not in Florida :) Intersection Configuration Intersection Traffic Control Ad Nausea Analytical Approach: Prioritization Prioritization Magnitude of Problem Crashes Injuries Trend Rate vs. Frequency What is an Acceptable Crash Rate?? Intersection Crash Distribution (178 Nodes) 5-Year Crash Total Per Node 152 Nodes 26 Nodes 15 % of Intersections Account for of All Crashes Frequency Priority List 11 Locations With 80+ Long Form Crashes in 5 Years 11 Locations With 80+ Long Form Crashes in 5 Years 15 Locations With 15 Locations With 45 80 Crashes 45 80 Crashes Month Month Day of Week Time of Day Driver Age First Harmful Event Crash Pattern Evaluation Alt US 19 Question/Contact Demian Miller Transportation Planner Tindale-Oliver & Associates, Inc. Tampa, FL