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http://dx.doi.org/10.7855/IJHE.2011.13.3.103

Accident Models of Circular Intersections by Type in Korea  

Han, Su-San (충북대학교 도시공학과)
Kim, Kyung-Hwan (충북대학교 도시공학과)
Park, Byung-Ho (충북대학교 도시공학과)
Publication Information
International Journal of Highway Engineering / v.13, no.3, 2011 , pp. 103-110 More about this Journal
Abstract
This study deals with the traffic accidents by type. The objectives are to analyze the characteristics of 2 accident types, and to develop the models by type. In pursuing the above, this paper gives particular attentions to testing the differences between by type two groups, and developing the models (Poisson and negative binomial regressions) using the data of domestic circular intersections. The main results are as follows. First, the number of accidents in vehicle vehicle was analyzed to account for about 73.41% of total and to be higher than vehicle people. Second, two Poisson models and two negative binomial models which were all statistically significant were developed using vehicle people accidents and vehicle vehicle accidents as dependant variables. Finally, the traffic volume as common variable was selected in the models, and right-turn slip lane, speed hump, the number of driveways, the number of pedestrian crossings as specific variables of the models were selected.
Keywords
accident mdels; accident type; domestic circular intersections; correlation analysis; poisson and negative binomial regression models;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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