Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 444, Issue -, Pages 622-640Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2015.10.052
Keywords
Intersection simulation; Signal management; Shared turning lane; VEHICLE-PEDESTRIAN interaction; Cellular automata
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Funding
- National Natural Science Foundation of China [11172197, 11332008, 11572215]
- UC MEXUS-CONACyT
- Natural Science Foundation of Tianjin
- China Scholarship Council (CSC)
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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. (C) 2015 Elsevier B.V. All rights reserved.
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