Intersection AEB implementation strategies for left turn across path crashes

Traffic Injury Prevention
Ulrich SanderSylvia Pietzsch

Abstract

Objective: Left turn across path with traffic from the opposite direction (LTAP/OD) is the second most frequent car-to-car intersection crash type after straight crossing path (SCP) in Germany and the United States. Intersection automated emergency braking (AEB) for passenger cars can address these crashes. This study investigates 2 implementation strategies of intersection AEB addressing LTAP/OD crashes: (1) only the turning car is equipped with an intersection AEB and (2) turning and straight-heading cars are equipped with an intersection AEB. For each strategy, the influence of a safety zone around the vehicles that should not be entered is evaluated in terms of accident avoidance, injury mitigation, and change in velocity (delta-V) of remaining accidents. Results are given as a function of market penetration. Methods: A total of 372 LTAP/OD crashes from the time series precrash matrix (PCM), a subsample of the German In-Depth Accident Study (GIDAS), were resimulated in the PRediction of Accident Evolution by Diversification of Influence factors in COmputer simulation (PRAEDICO) simulation framework. A Kudlich-Slibar rigid-body impact model and an injury risk curve derived from GIDAS were used to predict remaining moderate t...Continue Reading

References

Sep 25, 2012·Traffic·Yi LuoJames H Keen
Jun 25, 2013·Accident; Analysis and Prevention·András BálintAnders Kullgren
Feb 28, 2018·Accident; Analysis and Prevention·Carol A C FlannaganHelen Fagerlind
Apr 1, 2018·Accident; Analysis and Prevention·Ulrich Sander, Nils Lubbe

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Software Mentioned

COmputer simulation ( PRAEDICO )
GIDAS
PRAEDICO

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