English
Related papers

Related papers: MoveLight: Enhancing Traffic Signal Control throug…

200 papers

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

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

Smart traffic lights in intelligent transportation systems (ITSs) are envisioned to greatly increase traffic efficiency and reduce congestion. Deep reinforcement learning (DRL) is a promising approach to adaptively control traffic lights…

Machine Learning · Computer Science 2025-05-08 Ming Zhu , Xiao-Yang Liu , Sem Borst , Anwar Walid

The control of traffic signals is crucial for improving transportation efficiency. Recently, learning-based methods, especially Deep Reinforcement Learning (DRL), garnered substantial success in the quest for more efficient traffic signal…

Artificial Intelligence · Computer Science 2025-06-18 Xiao-Cheng Liao , Yi Mei , Mengjie Zhang

Intelligent traffic signal controllers, applying DQN algorithms to traffic light policy optimization, efficiently reduce traffic congestion by adjusting traffic signals to real-time traffic. Most propositions in the literature however…

Machine Learning · Computer Science 2021-09-30 Romain Ducrocq , Nadir Farhi

Intelligent traffic lights in smart cities can optimally reduce traffic congestion. In this study, we employ reinforcement learning to train the control agent of a traffic light on a simulator of urban mobility. As a difference from…

Machine Learning · Computer Science 2021-12-28 Yue Zhu , Mingyu Cai , Chris Schwarz , Junchao Li , Shaoping Xiao

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) constitutes a promising solution for alleviating the problem of traffic congestion. In particular, deep RL algorithms have been shown to produce adaptive traffic signal controllers that outperform conventional…

Machine Learning · Statistics 2019-07-23 Filipe Rodrigues , Carlos Lima Azevedo

Efficient management of traffic flow in urban environments presents a significant challenge, exacerbated by dynamic changes and the sheer volume of data generated by modern transportation networks. Traditional centralized traffic management…

Machine Learning · Computer Science 2025-01-29 Bob Johnson , Michael Geller

Many recent works have turned to multi-agent reinforcement learning (MARL) for adaptive traffic signal control to optimize the travel time of vehicles over large urban networks. However, achieving effective and scalable cooperation among…

Machine Learning · Computer Science 2023-05-26 Harsh Goel , Yifeng Zhang , Mehul Damani , Guillaume Sartoretti

Manual optimization of traffic light cycles is a complex and time-consuming task, necessitating the development of automated solutions. In this paper, we propose the application of reinforcement learning to optimize traffic light cycles in…

Machine Learning · Computer Science 2024-02-26 Seungah Son , Juhee Jin

A number of deep reinforcement-learning (RL) approaches propose to control traffic signals. In this work, we study the robustness of such methods along two axes. First, sensor failures and GPS occlusions create missing-data challenges and…

Machine Learning · Computer Science 2023-06-09 Tianyu Shi , Francois-Xavier Devailly , Denis Larocque , Laurent Charlin

Emergency vehicles (EMVs) play a critical role in a city's response to time-critical events such as medical emergencies and fire outbreaks. The existing approaches to reduce EMV travel time employ route optimization and traffic signal…

Artificial Intelligence · Computer Science 2022-02-22 Haoran Su , Yaofeng Desmond Zhong , Biswadip Dey , Amit Chakraborty

Coordination in traffic signal control is crucial for managing congestion in urban networks. Existing pressure-based control methods focus only on immediate upstream links, leading to suboptimal green time allocation and increased network…

Machine Learning · Computer Science 2025-01-20 Xiaocan Li , Xiaoyu Wang , Ilia Smirnov , Scott Sanner , Baher Abdulhai

Navigating through intersections is one of the main challenging tasks for an autonomous vehicle. However, for the majority of intersections regulated by traffic lights, the problem could be solved by a simple rule-based method in which the…

Robotics · Computer Science 2021-05-04 Alessandro Paolo Capasso , Paolo Maramotti , Anthony Dell'Eva , Alberto Broggi

The effectiveness of traffic light control has been significantly improved by current reinforcement learning-based approaches via better cooperation among multiple traffic lights. However, a persisting issue remains: how to obtain a…

Artificial Intelligence · Computer Science 2024-06-18 Haoyuan Jiang , Ziyue Li , Hua Wei , Xuantang Xiong , Jingqing Ruan , Jiaming Lu , Hangyu Mao , Rui Zhao

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

This paper proposes a reinforcement learning approach for traffic control with the adaptive horizon. To build the controller for the traffic network, a Q-learning-based strategy that controls the green light passing time at the network…

Systems and Control · Computer Science 2019-04-01 Wentao Chen , Tehuan Chen , Guang Lin

Recent advances in combining deep neural network architectures with reinforcement learning techniques have shown promising potential results in solving complex control problems with high dimensional state and action spaces. Inspired by…

Machine Learning · Computer Science 2017-05-30 Seyed Sajad Mousavi , Michael Schukat , Enda Howley

Nowadays, transportation networks face the challenge of sub-optimal control policies that can have adverse effects on human health, the environment, and contribute to traffic congestion. Increased levels of air pollution and extended…

Systems and Control · Electrical Eng. & Systems 2023-10-25 Pedram Agand , Alexey Iskrov , Mo Chen