International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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The Effectiveness Analysis on Set of Ramp Metering STOP-line Using Traffic Simulation Model

교통시뮬레이션 모형을 이용한 램프미터링 정지선 설정에 따른 효과분석

  • 김인수 (한국건설기술연구원 도로교통연구실) ;
  • 양충헌 (한국건설기술연구원 도로교통연구실)
  • Received : 2014.01.09
  • Accepted : 2014.02.06
  • Published : 2014.02.17
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Abstract

PURPOSES : This study performs fundamental research on ramp-metering design criteria. METHODS : We carefully review previous studies in terms of ramp-metering design criteria and then consider applicability in Korea. For this, traffic simulation model is employed to analyze actual effect according to specific location of stop-line when implementing ramp-metering. RESULTS : When a stop-line moving forward with a 50m interval, travel speed at mainline relative to current stop-line location tends to decrease. However, traveling speed at approach roads increase about 5~18% under the same condition. When a stop-line location moving backward with a 50m interval, mainline travel speed increase approximately 17~32% whereas traveling speed at approach roads decrease. All cases are compared with the current stop-line location. CONCLUSIONS : We believe that both cases are useful with respect to freeway management. For example, moving forward a stop-line case can be used management for queuing area at ramp section and approach roads. Moving backward a stop-line case can be used for traffic control, focusing on mainline of freeways.

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