The Effect of the Number of Right-Turn and Left-Turn Lanes on the Performance of Undersaturated Signalized Intersections

Vehicle traffic flow channelizing can significantly contribute to fewer collisions and smooth traffic flow in isolated signalized intersection design. Therefore, this study investigates the effect of changes in the number of right-turn lanes with splitter islands and left-turn storage bays for diffe...

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Bibliographic Details
Published in:Journal of advanced transportation 2023-02, Vol.2023, p.1-12
Main Authors: Rahmani, Omid, Abdollahzadeh Nasiri, Amir Saman, Aghayan, Iman
Format: Article
Language:English
Subjects:
Bays
Delay
Left-turns
Parameter sensitivity
Simulation
Traffic control
Traffic engineering
Traffic flow
Traffic intersections
Transportation
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Summary:Vehicle traffic flow channelizing can significantly contribute to fewer collisions and smooth traffic flow in isolated signalized intersection design. Therefore, this study investigates the effect of changes in the number of right-turn lanes with splitter islands and left-turn storage bays for different volume approaches on intersection performance. This study aims to provide an accurate analysis to estimate the effect of such changes on signalized intersections, which can improve intersection performance. Furthermore, the delay parameter derived from HCM2016 and simulation was evaluated for different scenarios. For this purpose, simulation was performed using Synchro software. In this study, a symmetrical, 90-degree, undersaturated (volume per capacity lower than 1, V/C 
ISSN:0197-6729
2042-3195
DOI:10.1155/2023/8764498