대한교통학회지 (Journal of Korean Society of Transportation)

  • 제14권2호
  • /
  • Pages.223-237
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  • 1996
  • /
  • 1229-1366(pISSN)
  • /
  • 2234-4217(eISSN)
대한교통학회 (Korean Society of Transportation)
권호 표지

도시고속도로 교통류 제어전략이 교통안전에 미치는 영향에 관한 연구

A Study on the Effect of Urban Freeway Traffic Control Strategies on Safety

  • 강정규 (도로교통안전협회 교통과학연구원)
  • 발행 : 1996.06.01
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초록

Based on the traffic and accident data collected on a 4.2km (2.6mile) section of Interstate highway 35W in Minneapolis the relationship between traffic operation variables and safety measures is investigated. An aggregate specification that could be integrated into an urban freeway safety prediction methodology is proposed as a multiple regression model. The specification includes lane occupancy and volume data, which are the control parameters commonly used because they can be measured in real time. The primary variables that appear to affect the safety of urban freeway are : vehicle-miles of travel, entrance ramp volumes and the dynamic effect of queue building. The potential benefits of freeway traffic control strategies on freeway safety are also investigated via a simulation study. It was concluded that improvement of urban freeway safety is achievable by traffic control strategies which homogenize traffic conditions areound critical occupancy values.

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참고문헌

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