THE RUN-OFF-ROAD COLLISION AVOIDANCE USING IVHS COUNTERMEASURES PROGRAM IS TO ADDRESS THE SINGLE VEHICLE CRASH PROBLEM THROUGH APPLICATION OF TECHNOLOGY TO PREVENT AND/OR REDUCE THE SEVERITY OF THESE CRASHES.
THIS REPORT DESCRIBES AND DOCUMENTS THE ANALYSIS SEQUENCE COMPLETED FOR TASK 1. THE SEQUENCE INCLUDED THREE DISTINCT ANALYSIS TYPES WHICH MAY BE SUMMARIZED AS FOLLOWS:
- STATISTICAL ANALYSES - THE GES AND FARS NATIONAL CRASH DATABASES WERE EXAMINED TO PROVIDE AN UPDATED ESTIMATE OF PROBLEM SIZE AND TO ESTABLISH CHARACTERISTICS OF THE NATION CRASH POPULATION.
- CLINICAL ANALYSES - 201 HARD COPY CASE REPORTS FROM THE NASS CDS CRASH DATABASE WERE EVALUATED TO DETERMINE CRASH CAUSATION FACTORS AND TO ESTABLISH THE CIRCUMSTANCES IN WHICH THESE CRASHES OCCUR.
- ENGINEERING ANALYSES - A SUBSET OF THE NASS CDS CASE REPORTS WERE EXAMINED TO ESTABLISH THE DYNAMIC SCENARIOS ASSOCIATED WITH THE CLINICAL SAMPLE. THESE SCENARIOS WERE REPRESENTED AS SITUATION TREES WHICH DELINEATED THE SPECIFIC COMBINATION OF DRIVER, VEHICLE, AND ENVIRONMENTAL FACTORS IN WACH CRASH AND DRIVER RESPONSE TO CRITICAL EVENTS.
THIS INVESTIGATION WAS COMPLETED AS PART OF THE ITS-IDEA PROGRAM WHICH IS ONE OF THREE IDEA PROGRAMS MANAGED BY THE TRANSPORTATION RESEARCH BOARD (TRB...
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