WCSE

An Effective Traffic Signal Optimization Model for Intersections in Bangkok

Abstract— The increasing number of on-road vehicles in Bangkok, as well as the traffic flow conditions, are causing many problems for the citizens. To alleviate the problem, effective traffic signal management by optimizing traffic signal timing can be used. As a result, the goal of this research is to improve Bangkok's traffic signal system and management by establishing an effective green light time at intersections in order to increase the vehicle flow rate. The mathematical model is designed to maximize the number of vehicles leaving intersections. Six Bangkok intersections are selected for the experiments. According to the experimental results, the optimization model outperforms current practice by increasing the number of vehicles leaving the intersection by 3.34%. Furthermore, when optimal cycle length is utilized as an upper bound of the model, the overall vehicle flow rate improves.

Index Terms— Traffic Signal Optimization, Effective Green Time, Optimization.

Kasidech Tantipanichaphan
Department of Industrial Engineering, Chulalongkorn University, Thailand
Puwadol Oak Dusadeerungsikul
Department of Industrial Engineering, Chulalongkorn University, Thailand

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Cite: Kasidech Tantipanichaphan, Puwadol Oak Dusadeerungsikul, " An Effective Traffic Signal Optimization Model for Intersections in Bangkok, " WCSE 2022 Spring Event: 2022 9th International Conference on Industrial Engineering and Applications, pp. 1477-1483, Sanya, China, April 15-18, 2022.