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Autonomous urban driving navigation with complex multi-agent dynamics is under-explored due to the difficulty of learning an optimal driving policy. The traditional modular pipeline heavily relies on hand-designed rules and the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Xiaodan Liang , Tairui Wang , Luona Yang , Eric Xing

Since conventional approaches could not adapt to dynamic traffic conditions, reinforcement learning (RL) has attracted more attention to help solve the traffic signal control (TSC) problem. However, existing RL-based methods are rarely…

Machine Learning · Computer Science 2021-12-07 Qiang Wu , Liang Zhang , Jun Shen , Linyuan Lü , Bo Du , Jianqing Wu

We approach the task of network congestion control in datacenters using Reinforcement Learning (RL). Successful congestion control algorithms can dramatically improve latency and overall network throughput. Until today, no such…

Intelligent Transportation Systems (ITS) have attracted the attention of researchers and the general public alike as a means to alleviate traffic congestion. Recently, the maturity of wireless technology has enabled a cost-efficient way to…

Artificial Intelligence · Computer Science 2020-03-03 Rusheng Zhang , Akihiro Ishikawa , Wenli Wang , Benjamin Striner , Ozan Tonguz

Reinforcement learning for traffic signal control is bottlenecked by simulators: training in SUMO takes hours, reproducing results often requires days of platform-specific setup, and the slow iteration cycle discourages the multi-seed…

Systems and Control · Electrical Eng. & Systems 2026-02-26 Haoran Su , Hanxiao Deng

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

Autonomous driving has made significant strides through data-driven techniques, achieving robust performance in standardized tasks. However, existing methods frequently overlook user-specific preferences, offering limited scope for…

Robotics · Computer Science 2025-05-13 Chengkai Xu , Jiaqi Liu , Yicheng Guo , Yuhang Zhang , Peng Hang , Jian Sun

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

Recent years have witnessed substantial growth in adaptive traffic signal control (ATSC) methodologies that improve transportation network efficiency, especially in branches leveraging artificial intelligence based optimization and control…

Systems and Control · Electrical Eng. & Systems 2022-11-29 Xiaoyu Wang , Scott Sanner , Baher Abdulhai

System optimal traffic routing can mitigate congestion by assigning routes for a portion of vehicles so that the total travel time of all vehicles in the transportation system can be reduced. However, achieving real-time optimal routing…

Machine Learning · Computer Science 2024-07-11 Zemian Ke , Qiling Zou , Jiachao Liu , Sean Qian

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

State-of-the-art (SOTA) reinforcement learning (RL) methods have enabled vision-language model (VLM) agents to learn from interaction with online environments without human supervision. However, these methods often struggle with learning…

Machine Learning · Computer Science 2025-05-22 Qingyuan Wu , Jianheng Liu , Jianye Hao , Jun Wang , Kun Shao

This study introduces CycLight, a novel cycle-level deep reinforcement learning (RL) approach for network-level adaptive traffic signal control (NATSC) systems. Unlike most traditional RL-based traffic controllers that focus on step-by-step…

Machine Learning · Computer Science 2024-01-17 Gengyue Han , Xiaohan Liu , Xianyue Peng , Hao Wang , Yu Han

Intersections are essential road infrastructures for traffic in modern metropolises. However, they can also be the bottleneck of traffic flows as a result of traffic incidents or the absence of traffic coordination mechanisms such as…

Machine Learning · Computer Science 2024-11-05 Dawei Wang , Weizi Li , Lei Zhu , Jia Pan

In the backdrop of an increasingly pressing need for effective urban and highway transportation systems, this work explores the synergy between model-based and learning-based strategies to enhance traffic flow management by use of an…

Systems and Control · Electrical Eng. & Systems 2025-02-04 Filippo Airaldi , Bart De Schutter , Azita Dabiri

Realistic traffic simulation is crucial for developing self-driving software in a safe and scalable manner prior to real-world deployment. Typically, imitation learning (IL) is used to learn human-like traffic agents directly from…

Robotics · Computer Science 2023-11-03 Chris Zhang , James Tu , Lunjun Zhang , Kelvin Wong , Simon Suo , Raquel Urtasun

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

In this article, we explore the technical details of the reinforcement learning (RL) algorithms that were deployed in the largest field test of automated vehicles designed to smooth traffic flow in history as of 2023, uncovering the…

In traffic engineering, fixed-time traffic signal control remains widely used for its low cost, stability, and interpretability. However, its design relies on hand-crafted formulas (e.g., Webster) and manual re-timing by engineers to adapt…

Machine Learning · Computer Science 2026-04-23 Leizhen Wang , Peibo Duan , Hao Wang , Yue Wang , Jian Xu , Nan Zheng , Zhenliang Ma

Traffic simulators are used to generate data for learning in intelligent transportation systems (ITSs). A key question is to what extent their modelling assumptions affect the capabilities of ITSs to adapt to various scenarios when deployed…

Machine Learning · Computer Science 2025-04-18 Rex Chen , Kathleen M. Carley , Fei Fang , Norman Sadeh