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

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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Impacts of Automated Vehicles on Freeway Traffic-flow - Focused on Seoul-Singal Basic Sections of GyeongBu Freeway -

자율주행차량 도입에 따른 고속도로 교통류 영향분석 - 경부고속도로 서울-신갈 기본구간을 중심으로

  • 박인선 (홍익대학교 도시계획과) ;
  • 이종덕 (한국교통연구원 국정교통연구본부 교통기술연구그룹) ;
  • 이재용 (한국교통연구원 도로교통본부) ;
  • 황기연 (홍익대학교 도시공학과)
  • Received : 2015.10.30
  • Accepted : 2015.12.15
  • Published : 2015.12.31
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Abstract

These days Automated Vehicle(AV) has been receiving attention as a fundamental solution to resolve the various transportation problems and various researches related to the benefits of AV have been done. However, previous researches mainly analyzed the effects in the virtual network. The purpose of this research is to predict and to find out the benefits by introducing the Automated Vehicle to present road traffic system. Thus, the study analyzes the traffic-flow changes of Gyeongbu freeway Seoul-Singal basic section which is planned for setting the test-bed. The results show that Automated Vehicle can have negative effects on the traffic-flow in low volume of LOS A and B. However, the average speed increases and the traffic density decreases in more than LOS C, the traffic volume increase. Therefore, the introduction of Automated Vehicle achieves positive effect on various transportation problems such as the traffic congestion.

최근 활발히 개발되고 있는 자율주행차량은 현대사회의 다양한 교통문제를 해결하기 위한 근본적인 대안으로 주목 받고 있으며, 그 효과를 예측하기 위한 연구 또한 지속적으로 진행되어왔다. 하지만 기존연구는 주로 가상의 도로를 대상으로 하여 현 도로교통시스템에 가져올 다양한 편익에 대한 검토는 미비한 상태이다. 이에 본 연구는 자율주행차량 테스트베드 구축 예정구간인 경부고속도로 서울-신갈 기본구간을 대상으로, 자율주행차량 도입에 따른 속도 및 밀도 등 다양한 교통류의 변화를 분석하였다. 분석 결과, 교통량이 적은 서비스수준 A, B 상황에서는 자율주행차량 혼입이 교통류에 부정적인 영향을 미치는 것으로 나타났다. 반면, 교통량이 많아지는 서비스수준 C 이상의 상황에서는 자율주행차량 도입에 따라 평균속도가 증가하고 밀도가 감소하여 교통류에 긍정적인 영향을 미치는 것으로 분석되었다. 이에 따라, 자율주행차량 도입이 교통혼잡 등 다양한 교통문제를 효과적으로 해결할 수 있을 것이라 기대된다.

Keywords

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