Effects of turning and through lane sharing on traffic performance at intersections

Xiang Li and Jian-Qiao Sun

Physica A: Statistical Mechanics and its Applications, 2016, vol. 444, issue C, 622-640

Abstract: Turning vehicles strongly influence traffic flows at intersections. Effective regulation of turning vehicles is important to achieve better traffic performance. This paper studies the impact of lane sharing and turning signals on traffic performance at intersections by using cellular automata. Both right-turn and left-turn lane sharing are studied. Interactions between vehicles and pedestrians are considered. The transportation efficiency, road safety and energy economy are the traffic performance metrics. Extensive simulations are carried out to study the traffic performance indices. It is observed that shared turning lanes and permissive left-turn signal improve the transportation efficiency and reduce the fuel consumption in most cases, but the safety is usually sacrificed. It is not always beneficial for the through vehicles when they are allowed to be in the turning lanes.

Keywords: Intersection simulation; Signal management; Shared turning lane; VEHICLE–PEDESTRIAN interaction; Cellular automata (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:444:y:2016:i:c:p:622-640

DOI: 10.1016/j.physa.2015.10.052

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