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Related papers: DataLight: Offline Data-Driven Traffic Signal Cont…

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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

Effective traffic signal control (TSC) is crucial in mitigating urban congestion and reducing emissions. Recently, reinforcement learning (RL) has been the research trend for TSC. However, existing RL algorithms face several real-world…

Systems and Control · Electrical Eng. & Systems 2025-09-30 Mingyuan Li , Jiahao Wang , Bo Du , Jun Shen , Qiang Wu

Reinforcement learning (RL) is a promising solution for autonomous vehicles to deal with complex and uncertain traffic environments. The RL training process is however expensive, unsafe, and time consuming. Algorithms are often developed…

Robotics · Computer Science 2022-11-29 Kevin Voogd , Jean Pierre Allamaa , Javier Alonso-Mora , Tong Duy Son

Offline reinforcement learning (RL) learns policies entirely from static datasets, thereby avoiding the challenges associated with online data collection. Practical applications of offline RL will inevitably require learning from datasets…

Machine Learning · Computer Science 2022-11-22 Anikait Singh , Aviral Kumar , Quan Vuong , Yevgen Chebotar , Sergey Levine

The application of reinforcement learning in traffic signal control (TSC) has been extensively researched and yielded notable achievements. However, most existing works for TSC assume that traffic data from all surrounding intersections is…

Systems and Control · Electrical Eng. & Systems 2024-11-01 Hanyang Chen , Yang Jiang , Shengnan Guo , Xiaowei Mao , Youfang Lin , Huaiyu Wan

Reinforcement learning (RL) has shown promise in traffic signal control (TSC). However, its reliance on predefined states limits responsiveness to observable open-world events that are absent from training data. IoT-enabled intersections…

Artificial Intelligence · Computer Science 2026-05-29 Aoyu Pang , Maonan Wang , Yuejiao Xie , Chung Shue Chen , Zhiwei Yang , Man-On Pun

In reinforcement learning-based (RL-based) traffic signal control (TSC), decisions on the signal timing are made based on the available information on vehicles at a road intersection. This forms the state representation for the RL…

Systems and Control · Electrical Eng. & Systems 2024-11-13 Lawrence Francis , Blessed Guda , Ahmed Biyabani

Reinforcement learning (RL) techniques for traffic signal control (TSC) have gained increasing popularity in recent years. However, most existing RL-based TSC methods tend to focus primarily on the RL model structure while neglecting the…

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

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

This paper introduces MoveLight, a novel traffic signal control system that enhances urban traffic management through movement-centric deep reinforcement learning. By leveraging detailed real-time data and advanced machine learning…

Machine Learning · Computer Science 2024-07-25 Junqi Shao , Chenhao Zheng , Yuxuan Chen , Yucheng Huang , Rui Zhang

This paper develops a decentralized reinforcement learning (RL) scheme for multi-intersection adaptive traffic signal control (TSC), called "CVLight", that leverages data collected from connected vehicles (CVs). The state and reward design…

Machine Learning · Computer Science 2022-07-04 Mobin Zhao , Wangzhi Li , Yongjie Fu , Kangrui Ruan , Xuan Di

Existing ineffective and inflexible traffic light control at urban intersections can often lead to congestion in traffic flows and cause numerous problems, such as long delay and waste of energy. How to find the optimal signal timing…

Machine Learning · Computer Science 2020-09-30 Chenguang Zhao , Xiaorong Hu , Gang Wang

Reinforcement learning has been revolutionizing the traditional traffic signal control task, showing promising power to relieve congestion and improve efficiency. However, the existing methods lack effective learning mechanisms capable of…

Multiagent Systems · Computer Science 2023-12-25 Jiaming Lu , Jingqing Ruan , Haoyuan Jiang , Ziyue Li , Hangyu Mao , Rui Zhao

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

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

Traffic signal control (TSC) is a core component of intelligent transportation systems (ITS), aiming to reduce congestion, emissions, and travel time. Recent approaches based on reinforcement learning (RL) and large language models (LLMs)…

Artificial Intelligence · Computer Science 2026-04-14 Qing Guo , Xinhang Li , Junyu Chen , Zheng Guo , Shengzhe Xu , Lin Zhang , Lei Li

Offline Reinforcement Learning (RL) aims to turn large datasets into powerful decision-making engines without any online interactions with the environment. This great promise has motivated a large amount of research that hopes to replicate…

Machine Learning · Computer Science 2020-12-01 Louis Monier , Jakub Kmec , Alexandre Laterre , Thomas Pierrot , Valentin Courgeau , Olivier Sigaud , Karim Beguir

Recent advances in deep reinforcement learning (DRL) have largely promoted the performance of adaptive traffic signal control (ATSC). Nevertheless, regarding the implementation, most works are cumbersome in terms of storage and computation.…

Machine Learning · Computer Science 2022-05-03 Dong Xing , Qian Zheng , Qianhui Liu , Gang Pan

Urban Traffic Control (UTC) plays an essential role in Intelligent Transportation System (ITS) but remains difficult. Since model-based UTC methods may not accurately describe the complex nature of traffic dynamics in all situations,…

Artificial Intelligence · Computer Science 2018-08-27 Yilun Lin , Xingyuan Dai , Li Li , Fei-Yue Wang

Safe reinforcement learning (RL) trains a constraint satisfaction policy by interacting with the environment. We aim to tackle a more challenging problem: learning a safe policy from an offline dataset. We study the offline safe RL problem…

Machine Learning · Computer Science 2023-06-22 Zuxin Liu , Zijian Guo , Yihang Yao , Zhepeng Cen , Wenhao Yu , Tingnan Zhang , Ding Zhao