Delay Analysis of Small-scale Roundabouts Using VISSIM

Ah Hae Cho; Byung Ho Park

doi:10.7470/jkst.2017.35.5.385

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2017 Vol.35, Issue 5 Preview Page Next Page

Delay Analysis of Small-scale Roundabouts Using VISSIM VISSIM을 활용한 소규모 회전교차로의 지체 분석

October 2017. pp. 385-395

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Abstract

This study deals with the small-scale roundabout. The purpose of this study is to analyze the average delay of vehicle in roundabout, and suggest the efficient planning and design standard. In pursuing the above, this study gives particular attentions to analyzing the average delay time according to the inscribed circle diameter, speed of circulatory roadway lane and traffic volume. The operational efficiencies of 96 scenarios (3 sizes of inscribed circle diameter × 4 types of circulatory roadway speed × traffic volume) are analyzed using VISSIM (Verkehr In Städten- SIMulationsmodell). The main results are as follows. First, the optimal design speed of small-scale roundabout are derived from the above scenario analysis. Second, the traffic volume of LOS D is estimated to be 2,180-2,740pcph. Third, the traffic volume of LOS F that is required to improve is above 2.780pcph. The results might be expected to give some implications to providing the countermeasures for the operational efficiency of roundabout.

Keywords

average delay

circulatory roadway speed

inscribed circle diameter

small-scale roundabout

VISSIM

이 연구는 소규모 회전교차로를 다루고 있다. 이 연구는 회전교차로의 평균지체를 분석하고 효율적인 계획 및 설계기준을 제시하는 데 그 목적이 있다. 이를 위해 이 연구에서는 내접원 지름, 회전차로의 속도 및 진입교통량에 따른 평균지체 분석에 중점을 두고있다. 96개(3 × 4 × 8) 시나리오의 운영효율이 교통시뮬레이션 프로그램 VISSIM (Verkehr In Städten-SIMulationsmodell)을 사용하여 분석되었다. 연구의 주요 결과는 다음과 같다. 첫째, 시나리오 분석을 통해 소규모 회전교차로의 적정 설계속도가 도출되었다. 둘째, 서비스 수준 D에 도달하는 진입교통량은 2,180-2,740pcph인 것으로 분석되었다. 셋째, 분석 회전교차로에서 혼잡수준 F로 개선이 요구되는 교통량은 2,780pcph 이상으로 평가되었다. 연구 결과는 효율적인 회전교차로 운영을 위한 대응조치를 제공하는 데 몇 가지 함의를 줄 것으로 기대된다.

키워드

평균 지체

회전차로 속도

내접원 지름

소규모 회전교차로

VISSIM

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Information

Publisher :Korean Society of Transportation
Publisher(Ko) :대한교통학회
Journal Title :Journal of Korean Society of Transportation
Journal Title(Ko) :대한교통학회지
Volume : 35
No :5
Pages :385-395
Received Date : 2017-07-26
Revised Date : 2017-08-25
Accepted Date : 2017-10-30
DOI :https://doi.org/10.7470/jkst.2017.35.5.385

Journal of Korean Society of Transportation ISSN:1229-1366(Print) 2234-4217(Online) 대한교통학회지

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