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http://dx.doi.org/10.14346/JKOSOS.2017.32.5.135

Pedestrian Accident Models of Roundabout Near Schools by the Number of Entry and Circulatory Lane  

Son, Seul Ki (Department of Urban Engineering, Chungbuk National University)
Park, Byung Ho (Department of Urban Engineering, Chungbuk National University)
Publication Information
Journal of the Korean Society of Safety / v.32, no.5, 2017 , pp. 135-140 More about this Journal
Abstract
This study deals with the safety of roundabout. The purpose of this study is to analyze the factors affecting the pedestrian accidents of roundabout near schools. In pursuing the above, this study gives particular attentions to comparatively analyzing the pedestrian accident by number of entry and circulatory lane. The traffic accident data from 2013 to 2015 are collected from TAAS data set of Road Traffic Authority. To develop the pedestrian accident model, the Poisson and negative binomial models has been utilized in this study. Such the dependent variable as the number of pedestrian accidents and the 24 independent variables as geometry, traffic volume and others are used. The main results are as follows. First, 3 Poisson and 2 negative binomial models(${\rho}^2$ of 0.153~0.426) which are all statistically significant are developed. Second, the common variable of models based on the number of circulatory roadway lane is analyzed to be the entry lane width and that of the number of entry lane is evaluated to be the design speed. Also specific variables are evaluated to splitter island, roundabout sign, number of approach road, bus stop and elementary school. Finally, the design speed might be expected to decrease the number of pedestrian accidents near schools.
Keywords
roundabout; near school; pedestrian accident models; poisson and negative binomial model;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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