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http://dx.doi.org/10.12815/kits.2016.15.4.054

Traffic Volume Criteria for Roundabouts Based on Left-Turn Ratio  

Cho, Hanseon (The Korea Transport Institute)
Kim, Young-chun (The Korea Transport Institute)
Ahn, Woo-young (Kongju National University)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.15, no.4, 2016 , pp. 54-67 More about this Journal
Abstract
All roundabouts are designed based on "Roundabout Design Guideline, Ministry of Land and Transportation, 2014" in Korea. The guideline also provides the traffic volume criteria to convert from signalized intersections to roundabouts. While the criteria are based on capacity of roundabouts, left-turn ratio and the number of lane on approaches are not considered to calculate the capacity of roundabouts. Therefore it is difficult to apply the traffic volume criteria in the real world. In this study, we studied the impact of left-turn ratio and the number of lane on approaches into capacity of roundabouts using micro-simulation. It was found that the capacity of roundabouts is changed according to left-turn ratio and the number of lane on approaches.
Keywords
Left-Turn Ratio; Traffic Volume Criteria for Roundabout; Capacity Analysis; Number of Lane;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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