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Recently, Intelligent Transportation Systems are leveraging the power of increased sensory coverage and computing power to deliver data-intensive solutions achieving higher levels of performance than traditional systems. Within Traffic…

Machine Learning · Computer Science 2021-05-03 Alvaro Cabrejas-Egea , Raymond Zhang , Neil Walton

The emergence of reinforcement learning (RL) methods in traffic signal control tasks has achieved better performance than conventional rule-based approaches. Most RL approaches require the observation of the environment for the agent to…

Machine Learning · Computer Science 2023-11-16 Hao Mei , Junxian Li , Bin Shi , Hua Wei

Reinforcement learning (RL) for traffic signal control (TSC) has shown better performance in simulation for controlling the traffic flow of intersections than conventional approaches. However, due to several challenges, no RL-based TSC has…

Machine Learning · Computer Science 2022-06-22 Arthur Müller , Matthia Sabatelli

Traffic signal control (TSC) is a high-stakes domain that is growing in importance as traffic volume grows globally. An increasing number of works are applying reinforcement learning (RL) to TSC; RL can draw on an abundance of traffic data…

Artificial Intelligence · Computer Science 2022-10-05 Rex Chen , Fei Fang , Norman Sadeh

Traffic congestion remains a major challenge for urban transportation, leading to significant economic and environmental impacts. Traffic Signal Control (TSC) is one of the key measures to mitigate congestion, and recent studies have…

Multiagent Systems · Computer Science 2026-01-27 Hsiao-Chuan Chang , Sheng-You Huang , Yen-Chi Chen , I-Chen Wu

The optimization of traffic signal control (TSC) is critical for an efficient transportation system. In recent years, reinforcement learning (RL) techniques have emerged as a popular approach for TSC and show promising results for highly…

Artificial Intelligence · Computer Science 2023-11-28 Jianxiong Li , Shichao Lin , Tianyu Shi , Chujie Tian , Yu Mei , Jian Song , Xianyuan Zhan , Ruimin Li

Sub-optimal control policies in intersection traffic signal controllers (TSC) contribute to congestion and lead to negative effects on human health and the environment. Reinforcement learning (RL) for traffic signal control is a promising…

This article proposes a methodology for the development of adaptive traffic signal controllers using reinforcement learning. Our methodology addresses the lack of standardization in the literature that renders the comparison of approaches…

Systems and Control · Electrical Eng. & Systems 2021-01-26 Guilherme S. Varela , Pedro P. Santos , Alberto Sardinha , Francisco S. Melo

The growing demand for road use in urban areas has led to significant traffic congestion, posing challenges that are costly to mitigate through infrastructure expansion alone. As an alternative, optimizing existing traffic management…

Artificial Intelligence · Computer Science 2024-09-04 Muhammad Tahir Rafique , Ahmed Mustafa , Hasan Sajid

Reinforcement learning (RL) has emerged as a promising solution for addressing traffic signal control (TSC) challenges. While most RL-based TSC systems typically employ an online approach, facilitating frequent active interaction with the…

Machine Learning · Computer Science 2024-05-03 Liang Zhang , Yutong Zhang , Jianming Deng , Chen Li

Efficient traffic signal control is critical for reducing traffic congestion and improving overall transportation efficiency. The dynamic nature of traffic flow has prompted researchers to explore Reinforcement Learning (RL) for traffic…

Machine Learning · Computer Science 2023-12-14 Xingshuai Huang , Di Wu , Benoit Boulet

Ineffective and inflexible traffic signal control at urban intersections can often lead to bottlenecks in traffic flows and cause congestion, delay, and environmental problems. How to manage traffic smartly by intelligent signal control is…

Systems and Control · Computer Science 2019-05-21 Mengyu Guo , Pin Wang , Ching-Yao Chan , Sid Askary

Reinforcement learning (RL) is gaining popularity as an effective approach for traffic signal control (TSC) and is increasingly applied in this domain. However, most existing RL methodologies are confined to a single-stage TSC framework,…

Machine Learning · Computer Science 2024-05-03 Liang Zhang , Yutong Zhang , Shubin Xie , Jianming Deng , Chen Li

Traffic signal control is of critical importance for the effective use of transportation infrastructures. The rapid increase of vehicle traffic and changes in traffic patterns make traffic signal control more and more challenging.…

Machine Learning · Computer Science 2021-12-08 Xingshuai Huang , Di Wu , Michael Jenkin , Benoit Boulet

Although Reinforcement Learning (RL)-based Traffic Signal Control (TSC) methods have been extensively studied, their practical applications still raise some serious issues such as high learning cost and poor generalizability. This is…

Machine Learning · Computer Science 2025-02-18 Yutong Ye , Yingbo Zhou , Zhusen Liu , Xiao Du , Hao Zhou , Xiang Lian , Mingsong Chen

Multi-agent reinforcement learning (MARL) has shown significant potential in traffic signal control (TSC). However, current MARL-based methods often suffer from insufficient generalization due to the fixed traffic patterns and road network…

Multiagent Systems · Computer Science 2025-03-13 Yihong Li , Chengwei Zhang , Furui Zhan , Wanting Liu , Kailing Zhou , Longji Zheng

The issue of traffic congestion poses a significant obstacle to the development of global cities. One promising solution to tackle this problem is intelligent traffic signal control (TSC). Recently, TSC strategies leveraging reinforcement…

Human-Computer Interaction · Computer Science 2024-10-03 Yutian Zhang , Guohong Zheng , Zhiyuan Liu , Quan Li , Haipeng Zeng

Reinforcement Learning (RL) in Traffic Signal Control (TSC) faces significant hurdles in real-world deployment due to limited generalization to dynamic traffic flow variations. Existing approaches often overfit static patterns and use…

Artificial Intelligence · Computer Science 2026-03-13 Sheng-You Huang , Hsiao-Chuan Chang , Yen-Chi Chen , Ting-Han Wei , I-Hau Yeh , Sheng-Yao Kuan , Chien-Yao Wang , Hsuan-Han Lee , I-Chen Wu

The heavy traffic congestion problem has always been a concern for modern cities. To alleviate traffic congestion, researchers use reinforcement learning (RL) to develop better traffic signal control (TSC) algorithms in recent years.…

Machine Learning · Computer Science 2020-09-18 Chang Liu , Huichu Zhang , Weinan Zhang , Guanjie Zheng , Yong Yu

Urban congestion remains a critical challenge, with traffic signal control (TSC) emerging as a potent solution. TSC is often modeled as a Markov Decision Process problem and then solved using reinforcement learning (RL), which has proven…

Artificial Intelligence · Computer Science 2024-07-09 Aoyu Pang , Maonan Wang , Man-On Pun , Chung Shue Chen , Xi Xiong
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