Assessment of IVHS countermeasures for collision avoidance : rear-end crashes
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1993-05-01
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Edition:Final report
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Abstract:This report describe an analysis of the application of Intelligent
Vehicle Highway System (IVHS) technology to the reduction of rear-end crashes. The
principal countermeasure concept examined is a headway detection (HD) system that
would detect stopped or slower-moving vehicles in a vehicle's travel path. The
report is organized to correspond to the major steps of the project methodology:
Quantify baseline target crash problem size and describe target crash
characteristics; Describe, analyze, and model target crash scenarios to permit understanding of
principal crash causes, time and motion sequences, and potential interventions.
Assess countermeasure technology and mechanisms of action to identify candidate
solutions; Assess relevant human factors and other (e.g., environmental, vehicle) factors
affecting crash scenario and potential countermeasure effectiveness.
Model countermeasure action to predict effectiveness and identify critical
countermeasure functional requirements; Identify specific priority technological, human factors, and other R&D issues
to be resolved; and Case reconstructions and modelin indicate that most rear-end
crashes are due to driver inattention, and that Bt is inattention can in theory
be addressed successfully by the HD countermeasure concept and available radar
technologies.
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