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Traffic simulations are commonly used to optimize urban traffic flow, with reinforcement learning (RL) showing promising potential for automated traffic signal control, particularly in intelligent transportation systems involving connected…

Systems and Control · Electrical Eng. & Systems 2025-09-19 Talha Azfar , Kaicong Huang , Andrew Tracy , Sandra Misiewicz , Chenxi Liu , Ruimin Ke

Urban traffic congestion, particularly at intersections, significantly affects travel time, fuel consumption, and emissions. Traditional fixed-time signal control systems often lack the adaptability to effectively manage dynamic traffic…

Artificial Intelligence · Computer Science 2025-12-01 Saahil Mahato

Reinforcement learning (RL) is a promising data-driven approach for adaptive traffic signal control (ATSC) in complex urban traffic networks, and deep neural networks further enhance its learning power. However, centralized RL is infeasible…

Machine Learning · Computer Science 2019-03-13 Tianshu Chu , Jie Wang , Lara Codecà , Zhaojian Li

Over the years, reinforcement learning has emerged as a popular approach to develop signal control and vehicle platooning strategies either independently or in a hierarchical way. However, jointly controlling both in real-time to alleviate…

Machine Learning · Computer Science 2025-08-13 Xianyue Peng , Shenyang Chen , Hang Gao , Hao Wang , H. Michael Zhang

Rapid urbanization in cities like Bangalore has led to severe traffic congestion, making efficient Traffic Signal Control (TSC) essential. Multi-Agent Reinforcement Learning (MARL), often modeling each traffic signal as an independent agent…

Machine Learning · Computer Science 2026-05-19 Sayambhu Sen , Shalabh Bhatnagar

Traffic congestion in modern cities is exacerbated by the limitations of traditional fixed-time traffic signal systems, which fail to adapt to dynamic traffic patterns. Adaptive Traffic Signal Control (ATSC) algorithms have emerged as a…

Multiagent Systems · Computer Science 2025-04-01 Anirudh Satheesh , Keenan Powell

Finding the optimal signal timing strategy is a difficult task for the problem of large-scale traffic signal control (TSC). Multi-Agent Reinforcement Learning (MARL) is a promising method to solve this problem. However, there is still room…

Machine Learning · Computer Science 2021-09-14 Xiaoqiang Wang , Liangjun Ke , Zhimin Qiao , Xinghua Chai

As travel demand increases and urban traffic condition becomes more complicated, applying multi-agent deep reinforcement learning (MARL) to traffic signal control becomes one of the hot topics. The rise of Reinforcement Learning (RL) has…

Artificial Intelligence · Computer Science 2023-06-06 Shijie Wang , Shangbo Wang

This paper considers optimal traffic signal control in smart cities, which has been taken as a complex networked system control problem. Given the interacting dynamics among traffic lights and road networks, attaining controller adaptivity…

Machine Learning · Computer Science 2023-11-08 Yao Zhang , Zhiwen Yu , Jun Zhang , Liang Wang , Tom H. Luan , Bin Guo , Chau Yuen

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

Traffic congestion, primarily driven by intersection queuing, significantly impacts urban living standards, safety, environmental quality, and economic efficiency. While Traffic Signal Control (TSC) systems hold potential for congestion…

Machine Learning · Computer Science 2026-01-14 Qiang Li , Jin Niu , Lina Yu

Reinforcement learning (RL) emerges as a promising data-driven approach for adaptive traffic signal control (ATSC) in complex urban traffic networks, with deep neural networks substantially augmenting its learning capabilities. However,…

Artificial Intelligence · Computer Science 2025-02-25 Yuli Zhang , Shangbo Wang , Dongyao Jia , Pengfei Fan , Ruiyuan Jiang , Hankang Gu , Andy H. F. Chow

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

Lane change decision-making is a complex task due to intricate vehicle-vehicle and vehicle-infrastructure interactions. Existing algorithms for lane-change control often depend on vehicles with a certain level of autonomy (e.g., autonomous…

Systems and Control · Electrical Eng. & Systems 2024-12-09 Ke Sun , Huan Yu

The growing complexity of urban mobility and the demand for efficient, sustainable, and adaptive solutions have positioned Intelligent Transportation Systems (ITS) at the forefront of modern infrastructure innovation. At the core of ITS…

Machine Learning · Computer Science 2026-03-06 Rexcharles Donatus , Kumater Ter , Daniel Udekwe

Many scenarios in mobility and traffic involve multiple different agents that need to cooperate to find a joint solution. Recent advances in behavioral planning use Reinforcement Learning to find effective and performant behavior…

Artificial Intelligence · Computer Science 2022-08-03 Lukas M. Schmidt , Johanna Brosig , Axel Plinge , Bjoern M. Eskofier , Christopher Mutschler

Fast and efficient transport protocols are the foundation of an increasingly distributed world. The burden of continuously delivering improved communication performance to support next-generation applications and services, combined with the…

Machine Learning · Computer Science 2023-06-27 Raffaele Galliera , Alessandro Morelli , Roberto Fronteddu , Niranjan Suri

Adaptive traffic signal control (ATSC) is crucial in alleviating congestion, maximizing throughput and promoting sustainable mobility in ever-expanding cities. Multi-Agent Reinforcement Learning (MARL) has recently shown significant…

Machine Learning · Computer Science 2026-03-26 Yifeng Zhang , Harsh Goel , Peizhuo Li , Mehul Damani , Sandeep Chinchali , Guillaume Sartoretti

Reinforcement Learning (RL) is a potent tool for sequential decision-making and has achieved performance surpassing human capabilities across many challenging real-world tasks. As the extension of RL in the multi-agent system domain,…

Artificial Intelligence · Computer Science 2024-08-20 Ruiqi Zhang , Jing Hou , Florian Walter , Shangding Gu , Jiayi Guan , Florian Röhrbein , Yali Du , Panpan Cai , Guang Chen , Alois Knoll
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