The Journal of The Korea Institute of Intelligent Transport Systems (한국ITS학회 논문지)

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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An Investigation for Driving Behavior on the Exit-ramp Terminal in Urban Underground Roads Using a Driving Simulator

주행 시뮬레이터를 활용한 도심 지하도로 유출연결로 접속부 주행행태 분석

  • Jeong, Seungwon (Dept. of Transportation Eng., Univ. of Seoul) ;
  • Song, Minsoo (Dept. of Transportation Eng & Smart cities., Univ. of Seoul) ;
  • Hwang, Sooncheon (Dept. of Transportation Eng., Univ. of Seoul) ;
  • Lee, Dongmin (Dept. of Transportation Eng & Smart cities., Univ. of Seoul) ;
  • Kwon, Wantaeg (Road Planning Division, Seoul Metropolitan Government)
  • 정승원 (서울시립대학교 교통공학과) ;
  • 송민수 (서울시립대학교 교통공학과 & 스마트시티학과) ;
  • 황순천 (서울시립대학교 교통공학과) ;
  • 이동민 (서울시립대학교 교통공학과 & 스마트시티학과) ;
  • 권완택 (서울특별시청 도로계획과)
  • Received : 2021.11.22
  • Accepted : 2021.12.01
  • Published : 2022.02.28
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Abstract

Even though driving behaviors in underground roads can be significantly different from ground roads, existing underground roads follow the design guidelines of ground roads. In this context, this study investigates the driving behaviors of the exit-ramp terminal of urban underground roads using a driving simulator. Virtual driving experiments were performed by analyzing scenarios between the underground and ground road environments. The experiments' driving behavior data for each geometry section are compared and validated through a statistical significance test. This test showed that the speed in the underground road environment is relatively low, and the LPM tends to move away from the adjacent tunnel wall. Based on these findings, this study suggests implications and feasible solutions for improving driver's safety in the exit-ramp terminal of the underground roads.

지하도로의 운전자 주행행태는 지상도로와는 다르기 때문에 이를 반영한 도로설계가 필요하지만, 국내 도시지역 지하도로 설계지침은 대부분 지상도로의 설계기준을 준용하여 설계방법을 설명하고 있다. 본 연구에서는 주행 시뮬레이터를 활용하여 도심 지하도로 유출연결로 접속부의 운전자 주행행태를 분석하였다. 지하도로 및 지상도로 환경이 대조될 수 있는 시나리오를 설정하여 가상주행실험을 수행하였고, 세부 구간별로 주행행태 데이터의 비교·분석과 통계적 유의성을 검토하였다. 그 결과, 지하도로에서의 주행속도는 상대적으로 낮고 차로 횡적 이격거리는 인접한 터널 벽체로부터 멀어지려는 행태를 보였다. 이러한 결과를 바탕으로 지하도로 유출연결로 접속부에서 운전자의 주행안전성을 향상시킬 수 있는 설계방향과 시사점을 제시하였다.

Keywords

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원의 지원으로 수행되었습니다(과제번호 20UUTI-B157823-01).

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