PEDESTRIAN POTENTIAL RISK WHILE CROSSING AT SIGNALIZED INTERSECTIONS
DOI:
https://doi.org/10.11113/jt.v78.8482Keywords:
Accident risk, crossing, signalized intersection, Petri NetsAbstract
Risk of pedestrian while crossing a road section may influence by several factors, including their crossing behaviors which might be difficult to be measured. In this paper, a model using Petri nets is introduced to consider the behavioral factors in measuring pedestrian risk. The crossing scenario of the pedestrian was observed to identify the pedestrian accident event. Sequence of event in pedestrian accident was modeled into Petri Nets elements. The model is designed in the hierarchical structure to consider risk factors related to human behavior, engineering and environment. The analysis of the model provides the numerical value of pedestrian potential risk as they crossed at a signalized intersection. The effect of each factor on the potential risk can be observed through sensitivity analysis. Â The use of Petri Nets is a novel approach in predicting pedestrian potential risk through the modeling of pedestrian accident process.
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