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한국도로학회논문집 = International journal of highway engineering   v.20 no.2 = no.88, 2018년, pp.67 - 74   KCI
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지역별 회전교차로 사고모형 개발 및 논의
Development of Roundabout Accident Models by Region

손슬기   (충북대학교 공과대학 도시공학과  ); 박병호   (충북대학교 도시공학과  );
  • 초록

    PURPOSES : The goal of this study is the development of roundabout accident models for urban and non-urban areas. METHODS : This study performed a comparative analysis of the regional factors affecting accidents. Traffic accident data were collected for the period 2010~2014 from the TAAS data set of the Road Traffic Authority. To develop the roundabout accident models, the Poisson and negative binomial regression models were used. A total of 25 explanatory variables such as geometry, and traffic volume were used. RESULTS : The key findings are as follows: First, it was found that the null hypotheses that the number of accidents is the same should be rejected. Second, three Poisson regression accident models, which are statistically significant ( ${\rho}^2$ of 0.154 and 0.385) were developed. Third, it was noted that although the common variable of the three models (models I~III) is the number of entry lanes, the specific variables are entry lane width, roundabout sign, number of circulatory roadways, splitter island, number of exit lanes, exit lane width, number of approach roads, and truck apron. CONCLUSIONS : The results of this study can provide suggestive countermeasures for decreasing the number of roundabout accidents.


  • 주제어

    urban area  . non-urban area  . roundabout  . traffic accident model  . Poisson regression model  . negative binomial regression model  .

  • 참고문헌 (14)

    1. Frank, G., Craig, L., Bhagwant, P., and Raghavan,. S. (2013). 'Safety Effectiveness of Converting Signalized Intersections to Roundabout', Accident Analysis and Prevention, Vol.50, pp. 234-241. 
    2. Gyanendra, S., Sachdeva, S., and Mahesh, P. (2016). "M5 Model Tree Based Predictive Modeling of Road Accidents on Non-urban Sections of Highways in India", Accident Analysis and Prevention, Vol.96, pp. 108-117. 
    3. Han, S., Kim, K., and Park, B. (2011). "Accident Models of Circular Intersection by Type in Korea", International Journal of Highway Engineering, Vol.13, No.3, pp.103-110. 
    4. Jeong, J. and Choi, J. (2014). "Poisson Regression and Negative Binomial Regression Model Fit for Traffic Accidents", Journal of the Korean Data Analysis Society, Vol.16, No.1, pp.165-172. 
    5. Kim, C., Kwon, Y., and Kang, K. (2016). "Safety Improvement Analysis of Roundabouts in Jeollabuk-do Province using Accident Prediction Model", International Journal of Highway Engineering, Vol.18, No.4, pp.93-102. 
    6. Kim, K. (2012), "A Study on Improvement of Public Transportation and Road Systems in Rural Areas", Korea Rural Economic Institute, pp.1-104. 
    7. Na, H. and Park, B. (2012). "Accident Models of Circular Intersection by Cause Using ZAM", International Journal of Highway Engineering, Vol.14, No.2, pp.101-108. 
    8. Park, B. and Beak, T. (2014). "Developing Rear-End Collision Models of Roundabouts in Korea", Journal of the Korean Society of Safety, Vol.29, No.6, pp.151-157. 
    9. Park, M. and Park, B. (2011). "Accident Models of Circular Intersections by Side Right-angle collision in Korea Using ZAM", Journal of Korean Society of Transportation, Vol.65, No.3, pp.270-274. 
    10. Roundabout Design Guidelines, 2014. 
    11. Son, S., Kim, T., and Park, B. (2017), "Traffic Accident Models for Trucks at Roundabouts", International Journal of Highway Engineering, Vol.19, No.4, pp.53-59. 
    12. Tove, H., Ivanka, O. (2007). "The Effect of Roundabout Design Features on Cyclist Accident Rate", Accident Analysis and Prevention, Vol.39, pp.300-307. 
    13. V-world, 'map.vworld.kr' 
    14. National Land Planning and Utilization Act. 2016. 

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