대한교통학회지 (Journal of Korean Society of Transportation)

  • 제30권2호
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  • Pages.93-100
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  • 2012
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  • 1229-1366(pISSN)
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  • 2234-4217(eISSN)
대한교통학회 (Korean Society of Transportation)
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국내 회전교차로의 임계간격 모형

A Critical Gap Model for Roundabouts in Korea

  • 김태영 (포항공과대학교 산학협력연구소) ;
  • 박민규 (충북대학교 대학원) ;
  • 박병호 (충북대학교 도시공학과)
  • Kim, Tae-Young (University-Industry Cooperation Institute, Pohang University of Science and Technology) ;
  • Park, Min-Kyu (Graduate School, Chungbuk National University) ;
  • Park, Byung-Ho (Department of Urban Engineering, Chungbuk National University)
  • 투고 : 2011.02.13
  • 심사 : 2011.09.28
  • 발행 : 2012.04.30
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초록

이 연구는 국내 회전교차로의 임계간격을 다루고 있다. 이 연구의 목적은 국내 회전교차로의 수락 및 거절간격모형을 개발하고, 회전교차로의 임계간격을 도출하는데 있다. 이를 위해 이 연구에서는 국내 20개 회전교차로의 수락간격과 거절간격 자료를 수집하는데 중점을 두고 있다. 연구의 주요결과는 다음과 같다. 첫째, 국내 20개 회전교차로 통행에 대한 동영상 프레임분석을 통해 수락간격과 거절간격이 측정하였다. 이러한 자료를 바탕으로 로짓모형을 이용하여 통계적으로 유의한 수락간격 모형이 개발되었다. 둘째, 위의 개발된 모형을 바탕으로 산출된 회전교차로의 임계간격은 2.584초로 분석되었다. 아울러 도시지역의 임계간격은 2.744초, 지방지역은 2.416초인 것으로 분석되었다. 마지막으로 국내 회전교차로의 임계간격이 국외 회전교차로의 임계간격 보다 약 1.5~2.5초 더 적은 것으로 평가되었다.

This study dealt with the critical gap of roundabouts in Korea. The objective was to develop a model to derive critical gaps by analyzing gap acceptance patterns. In this context, the present study had a particular emphasis on collecting the data for accepted or rejected gaps. The main contributions of the study were as follows. First, accepted or rejected gaps were counted and measured through video frame analysis on the traffic patterns of 20 roundabouts in Korea. Based on the data, a gap acceptance model, guaranteeing the statistical significant in their parameters, was developed in the framework of the Logit model. Second, the critical gap calculated from the developed model was evaluated to be 2.584 seconds as a whole. Also, the critical gap in urban areas was estimated to be 2.744 seconds, whilst the critical gap in rural areas was estimated to be 2.416 seconds. Finally, critical gaps of roundabout in Korea were found to be smaller than those in foreign countries by about 1.5~2.5 seconds.

키워드

참고문헌

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피인용 문헌

  1. Development of Capacity Models Based on the Travel Characteristics at Roundabout vol.32, pp.6, 2014, https://doi.org/10.7470/jkst.2014.32.6.651
  2. Analysis of Travel Cost According to Transferring from Rotary to Roundabout in Korea vol.16, pp.5, 2014, https://doi.org/10.7855/IJHE.2014.16.5.121
  3. Measurement of Effectiveness of Signal Optimized Roundabout vol.17, pp.1, 2015, https://doi.org/10.7855/IJHE.2015.17.1.091
  4. Development and Evaluation of Smart Roundabout Using Connected Vehicle vol.34, pp.1, 2014, https://doi.org/10.12652/Ksce.2014.34.1.0243
  5. Evaluation of the Rain Effects on Gap Acceptance Behavior at Roundabouts by a Logit Model vol.2018, pp.2042-3195, 2018, https://doi.org/10.1155/2018/2726732
  6. The Influence of the Participation of Non-Resident Drivers on Roundabout Capacity vol.11, pp.14, 2012, https://doi.org/10.3390/su11143896
  7. 회전교차로 용량분석 방법에 대한 고찰 vol.41, pp.2, 2012, https://doi.org/10.12652/ksce.2021.41.2.0143