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In this paper, methods have been explored to effectively optimise traffic signal control to minimise waiting times and queue lengths, thereby increasing traffic flow. The traffic intersection was first defined as a Markov Decision Process,…

Systems and Control · Electrical Eng. & Systems 2022-07-29 Hrishit Chaudhuri , Vibha Masti , Vishruth Veerendranath , S Natarajan

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

This paper presents a safe learning-based eco-driving framework tailored for mixed traffic flows, which aims to optimize energy efficiency while guaranteeing safety during real-system operations. Even though reinforcement learning (RL) is…

Systems and Control · Electrical Eng. & Systems 2024-02-01 Ke Lu , Dongjun Li , Qun Wang , Kaidi Yang , Lin Zhao , Ziyou Song

Traffic congestion in metropolitan areas is a world-wide problem that can be ameliorated by traffic lights that respond dynamically to real-time conditions. Recent studies applying deep reinforcement learning (RL) to optimize single traffic…

Machine Learning · Computer Science 2019-12-10 Zhi Zhang , Jiachen Yang , Hongyuan Zha

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

Increasingly available city data and advanced learning techniques have empowered people to improve the efficiency of our city functions. Among them, improving the urban transportation efficiency is one of the most prominent topics. Recent…

Machine Learning · Computer Science 2019-05-14 Guanjie Zheng , Yuanhao Xiong , Xinshi Zang , Jie Feng , Hua Wei , Huichu Zhang , Yong Li , Kai Xu , Zhenhui Li

Reinforcement learning (RL) holds significant promise for adaptive traffic signal control. While existing RL-based methods demonstrate effectiveness in reducing vehicular congestion, their predominant focus on vehicle-centric optimization…

Machine Learning · Computer Science 2025-07-24 Bibek Poudel , Xuan Wang , Weizi Li , Lei Zhu , Kevin Heaslip

Inefficient traffic signal control methods may cause numerous problems, such as traffic congestion and waste of energy. Reinforcement learning (RL) is a trending data-driven approach for adaptive traffic signal control in complex urban…

Signal Processing · Electrical Eng. & Systems 2021-07-14 Zhenning Li , Chengzhong Xu , Guohui Zhang

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

Reinforcement learning (RL) has attracted increasing interest for adaptive traffic signal control due to its model-free ability to learn control policies directly from interaction with the traffic environment. However, several challenges…

Machine Learning · Computer Science 2026-03-17 Dickens Kwesiga , Angshuman Guin , Khaled Abdelghany , Michael Hunter

The control of traffic signals is fundamental and critical to alleviate traffic congestion in urban areas. However, it is challenging since traffic dynamics are complicated in real-world scenarios. Because of the high complexity of the…

Systems and Control · Electrical Eng. & Systems 2021-05-10 Hu Wang , Hao Chen , Qi Wu , Congbo Ma , Yidong Li , Chunhua Shen

Latest technological improvements increased the quality of transportation. New data-driven approaches bring out a new research direction for all control-based systems, e.g., in transportation, robotics, IoT and power systems. Combining…

Machine Learning · Computer Science 2020-05-05 Ammar Haydari , Yasin Yilmaz

Many production lines require active control mechanisms, such as adaptive routing, worker reallocation, and rescheduling, to maintain optimal performance. However, designing these control systems is challenging for various reasons, and…

Machine Learning · Computer Science 2025-05-13 Kai Müller , Martin Wenzel , Tobias Windisch

Traffic signal control has the potential to reduce congestion in dynamic networks. Recent studies show that traffic signal control with reinforcement learning (RL) methods can significantly reduce the average waiting time. However, a…

Systems and Control · Electrical Eng. & Systems 2024-06-13 Maonan Wang , Yutong Xu , Xi Xiong , Yuheng Kan , Chengcheng Xu , Man-On Pun

With growing urbanization worldwide, efficient management of traffic infrastructure is critical for transportation agencies and city planners. It is essential to have tools that help analyze large volumes of stored traffic data and make…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-06 Rahul Sengupta , Nooshin Yousefzadeh , Manav Sanghvi , Yash Ranjan , Anand Rangarajan , Sanjay Ranka , Yashaswi Karnati , Jeremy Dilmore , Tushar Patel , Ryan Casburn

Traffic signal control is safety-critical for our daily life. Roughly one-quarter of road accidents in the U.S. happen at intersections due to problematic signal timing, urging the development of safety-oriented intersection control.…

Machine Learning · Computer Science 2023-03-01 Wenlu Du , Junyi Ye , Jingyi Gu , Jing Li , Hua Wei , Guiling Wang

In this work the problem of path planning for an autonomous vehicle that moves on a freeway is considered. The most common approaches that are used to address this problem are based on optimal control methods, which make assumptions about…

Robotics · Computer Science 2020-02-19 Konstantinos Makantasis , Maria Kontorinaki , Ioannis Nikolos

Traffic signal control is an important problem in urban mobility with a significant potential of economic and environmental impact. While there is a growing interest in Reinforcement Learning (RL) for traffic signal control, the work so far…

Artificial Intelligence · Computer Science 2022-12-13 Mayuresh Kunjir , Sanjay Chawla

Urban traffic congestion presents a significant challenge for modern cities, which impacts mobility and sustainability. Traditional traffic light control systems often fail to adapt to dynamic conditions, leading to inefficiencies. This…

Machine Learning · Computer Science 2026-05-12 Matteo Cederle , Giacomo Scatto , Gian Antonio Susto

Free-flow road networks, such as suburban highways, are increasingly experiencing traffic congestion due to growing commuter inflow and limited infrastructure. Traditional control mechanisms, such as traffic signals or local heuristics, are…

Machine Learning · Computer Science 2025-06-16 Ankit Bhardwaj , Rohail Asim , Sachin Chauhan , Yasir Zaki , Lakshminarayanan Subramanian