This study aims to evaluate road safety conditions and occurrence rate of traffic accidents for bicycle riders. Geographic distribution of bicycle traffic accidents are plotted in a map of Ube city, number of students commuting by bicycles are investigated and traffic survey data was referred for number of bicycle riders. Occurrence rate of bicycle accidents is defined as number of bicycle accidents in a buffer zone of 500m divided by the number of bicycles traveling in a survey point. Occurrence rate of bicycle accidents tends to be higher along wider and straight streets than that along narrower and winding streets.
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