Table of Contents List of Abbreviations .........................................................................................................................2 Introduction ........................................................................................................................................3 Summary of Key Findings ................................................................................................................3 Crash Trends and Patterns ..............................................................................................................5 Crashes by Year ...................................................................................................................................................................................... 6 Injury Severity ......................................................................................................................................................................................... 7 Crashes by Mode.................................................................................................................................................................................... 7 Commercial Motor Vehicle and Large Truck-Involved Crashes ................................................................................................. 9 Crashes by Roadway Ownership..................................................................................................................................................... 11 Parties Involved ................................................................................................................................................................................... 12 Social Vulnerability Index .................................................................................................................................................................. 13 Crash Causation................................................................................................................................................................................... 14 Behaviors............................................................................................................................................................................................... 19 Roadway Characteristics ................................................................................................................................................................... 23 Environmental Characteristics ......................................................................................................................................................... 37 High Injury Network ...................................................................................................................... 46 Sliding Windows Analysis Methodology ....................................................................................................................................... 46 High Injury Network Development ................................................................................................................................................ 47 Appendix A: Crash Data Preparation ......................................................................................... 50 Appendix B: Spatial Data Consolidation.................................................................................... 54 Appendix C: Crash Maps ............................................................................................................... 57 Appendix D: HIN Maps.................................................................................................................. 64 Appendix E: Crash Rate and HIN................................................................................................. 71
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