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19-02-2019 | Issue 2/2020

Mobile Networks and Applications 2/2020

The Signal Control Optimization of Road Intersections with Slow Traffic Based on Improved PSO

Journal:
Mobile Networks and Applications > Issue 2/2020
Authors:
Hongluan Zhao, Guoyong Han, Xiaofei Niu
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Abstract

The slow traffic in cities with pedestrians and bicycles is becoming more and more important due to their environmental protection and low carbon. However, the driving at the road intersections is seriously mixed and easy to jam. Traffic delays mainly occur here. Improving the traffic efficiency of the intersections plays an important role for the alleviation of traffic congestion. In this paper, a multi-objective signal timing optimization model is established about the vehicle average delay, slow traffic delay, vehicle stopping times and traffic capacity. Then an improved particle swarm optimization algorithm (PSO) is used to solve it. The experimental results show that the model is optimized to reduce the vehicle delay, slow traffic delay and stopping times of an intersection, and then increase the traffic capacity. So the multiple indicators of an intersection are improved, which have significant effects on the increase of operational efficiency of an intersection.

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