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http://dx.doi.org/10.7470/jkst.2017.35.4.321

Pedestrian Accident Rate Models of Circular Intersection Near Schools  

SON, Seul Ki (Department of Urban Engineering, Chungbuk University)
LEE, Min Yeong (Department of Urban Engineering, Chungbuk University)
PARK, Byung Ho (Department of Urban Engineering, Chungbuk University)
Publication Information
Journal of Korean Society of Transportation / v.35, no.4, 2017 , pp. 321-331 More about this Journal
Abstract
The objective of this study is to analyze the factors affecting the pedestrian accidents of roundabout near schools. To this end, this study has focus on the comparative analysis of pedestrian accidents across different school areas. The traffic accident data from 2007 to 2014 are collected from TAAS data set of Road Traffic Authority. To develop the pedestrian accident rate model, the linear regression model has been utilized in this study. 28 explanatory variables such as geometry and traffic volume factors are used. The main results are summarized as follows. First, the null hypotheses that the number of pedestrian accidents are the same are rejected. Second, 5 multiple linear regression accident models with higher statistical significance (adjusted $R^2$ of 0.651~0.788) have been developed. Third, while the common variables of 3 models (model I~III) related to school location are evaluated to be the pedestrian island, crosswalk, types of roundabout, elementary school and bus stop. Fourth, while the common variable of 3 models (model III~V) related to near school area or not is evaluated to be pedestrian island, type of roundabout, sidewalk, elementary school, speed hump, speed limit sign and number of entry lane. As a result, the installation of pedestrian islands and crosswalk might be expected to decrease the number of pedestrian accidents near schools.
Keywords
accident rate model; circular intersection; multiple linear regression model; pedestrian accident models; school;
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Times Cited By KSCI : 3  (Citation Analysis)
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