KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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A Study on Applicability of TRANSIMS to Interrupted Traffic Flow at Road Segments in Urban Area

TRANSIMS의 단속류 네트워크 적용 가능성에 대한 연구

  • 정광수 (대구광역시 북구청) ;
  • 도명식 (한밭대학교 도시공학과) ;
  • 이종달 (영남대학교 건설시스템공학과) ;
  • 이용두 (펜실베이니아 주립대학 토목공학과)
  • Received : 2012.12.18
  • Accepted : 2013.02.20
  • Published : 2013.05.30
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Abstract

This study aims to verify the applicability of TRANSIMS (TRansportion ANalysis SIMulation System) in interrupted traffic flow through calibration and validation process based on observation data; such as headway, traffic volume, speed, and travel time from Dalguberl Boulevard in Dae-gu metropolitan city. On this study, several micro-simulation parameters are derived from the calibration and validation process through performing a headway comparison and applying an ID back tracking methodology. As a result, it is figured out that actual circumstances of Korean roadway; for example, traffic volume per lane, speed, and travel time, can be applied on the TRANSIMS. Especially, it was possible to find out the influence of cell size parameter to traffic flow characteristic of simulation. However, it is hard to conclude that TRANSIMS is applicable to Korean roadway environment with studying particular target area. Therefore, additional studies; such as more case studies with various types of road, signal, and land use, will be required to localize TRANSIMS to Korea.

본 연구에서는 대구광역시의 달구벌대로의 일부 단로부를 대상으로 신호교차로에서의 차두시간 특성과 교통량, 속도 및 통행시간 특성에 대한 관측 자료를 기반으로 시뮬레이션을 위한 calibration과 검증과정을 통해 TRANSIMS의 단속류에서의 적용 가능성을 살펴보는 것을 목적으로 한다. 특히, 차두시간의 특성과 우리 실정에 맞는 파라미터의 선정 및 ID 추적 등을 통해 Calibration 과정을 거쳤으며 이렇게 수정된 파라미터를 기반으로 구현된 가로구간의 차로별 교통량, 속도 및 구간 통행시간 등의 특성은 무난하게 우리 실정에 맞게 묘사할 수 있는 것으로 나타났다. 특히 셀의 크기에 따른 교통류 특성 분석에서 기존 연구의 성과를 뒷받침 할 수 있는 결과도 얻을 수 있었다. 그러나 본 연구에서 대상으로 일부 구간만으로 TRANSIMS의 국내 적용가능성을 단정하기에는 무리가 있으며, 다양한 차로 특성, 신호 특성 및 연도 토지이용 특성 등을 고려한 시뮬레이션을 통해 객관적인 분석과 파라미터의 Calibration 과정 및 검증에 대한 향후 연구가 필요할 것으로 판단된다.

Keywords

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