English
Related papers

Related papers: iLLM-TSC: Integration reinforcement learning and l…

200 papers

Traffic signal control (TSC) is a core challenge in urban mobility, where real-time decisions must balance efficiency and safety. Existing methods - ranging from rule-based heuristics to reinforcement learning (RL) - often struggle to…

Systems and Control · Electrical Eng. & Systems 2025-12-12 Maonan Wang , Yirong Chen , Aoyu Pang , Yuxin Cai , Chung Shue Chen , Yuheng Kan , Man-On Pun

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

The surge in Reinforcement Learning (RL) applications in Intelligent Transportation Systems (ITS) has contributed to its growth as well as highlighted key challenges. However, defining objectives of RL agents in traffic control and…

Artificial Intelligence · Computer Science 2023-09-27 Michael Villarreal , Bibek Poudel , Weizi Li

Bus holding control is a widely-adopted strategy for maintaining stability and improving the operational efficiency of bus systems. Traditional model-based methods often face challenges with the low accuracy of bus state prediction and…

Artificial Intelligence · Computer Science 2025-04-15 Jiajie Yu , Yuhong Wang , Wei Ma

We introduce Traffic-R1, a 3B-parameter foundation model with human-like reasoning for Traffic signal control (TSC), developed via self-exploration and iterative reinforcement of LLM with expert guidance in a simulated traffic environment.…

Artificial Intelligence · Computer Science 2025-10-23 Xingchen Zou , Yuhao Yang , Zheng Chen , Xixuan Hao , Yiqi Chen , Chao Huang , Yuxuan Liang

Efficient traffic signal control (TSC) is crucial for reducing congestion, travel delays, pollution, and for ensuring road safety. Traditional approaches, such as fixed signal control and actuated control, often struggle to handle dynamic…

Systems and Control · Electrical Eng. & Systems 2025-09-29 Anirud Nandakumar , Chayan Banerjee , Lelitha Devi Vanajakshi

Reinforcement learning (RL) for traffic signal control (TSC) has shown better performance in simulation for controlling the traffic flow of intersections than conventional approaches. However, due to several challenges, no RL-based TSC has…

Machine Learning · Computer Science 2022-06-22 Arthur Müller , Matthia Sabatelli

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

Congestion control is a fundamental component of Internet infrastructure, and researchers have dedicated considerable effort to developing improved congestion control algorithms. However, despite extensive study, existing algorithms…

Networking and Internet Architecture · Computer Science 2025-08-25 Zhiyuan He , Aashish Gottipati , Lili Qiu , Yuqing Yang , Francis Y. Yan

Traffic signal control aims to coordinate traffic signals across intersections to improve the traffic efficiency of a district or a city. Deep reinforcement learning (RL) has been applied to traffic signal control recently and demonstrated…

Machine Learning · Computer Science 2024-04-02 Liwen Zhu , Peixi Peng , Zongqing Lu , Xiangqian Wang , Yonghong Tian

Traffic prediction constitutes a pivotal facet within the purview of Intelligent Transportation Systems (ITS), and the attainment of highly precise predictions holds profound significance for efficacious traffic management. The precision of…

Machine Learning · Computer Science 2024-10-27 Yilong Ren , Yue Chen , Shuai Liu , Boyue Wang , Haiyang Yu , Zhiyong Cui

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

With the increasing availability of traffic data and advance of deep reinforcement learning techniques, there is an emerging trend of employing reinforcement learning (RL) for traffic signal control. A key question for applying RL to…

Machine Learning · Computer Science 2019-05-14 Guanjie Zheng , Xinshi Zang , Nan Xu , Hua Wei , Zhengyao Yu , Vikash Gayah , Kai Xu , Zhenhui Li

Traffic Signal Control (TSC) aims to reduce the average travel time of vehicles in a road network, which in turn enhances fuel utilization efficiency, air quality, and road safety, benefiting society as a whole. Due to the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Junfan Lin , Yuying Zhu , Lingbo Liu , Yang Liu , Guanbin Li , Liang Lin

With increasing urban traffic complexity, Traffic Signal Control (TSC) is essential for optimizing traffic flow and improving road safety. Large Language Models (LLMs) emerge as promising approaches for TSC. However, they are prone to…

Artificial Intelligence · Computer Science 2025-10-31 Xinhang Li , Qing Guo , Junyu Chen , Zheng Guo , Shengzhe Xu , Lei Li , Lin Zhang

Communication load balancing aims to balance the load between different available resources, and thus improve the quality of service for network systems. After formulating the load balancing (LB) as a Markov decision process problem,…

Networking and Internet Architecture · Computer Science 2023-03-30 Abhisek Konar , Di Wu , Yi Tian Xu , Seowoo Jang , Steve Liu , Gregory Dudek

Reinforcement learning (RL) can align language models with non-differentiable reward signals, such as human preferences. However, a major challenge arises from the sparsity of these reward signals - typically, there is only a single reward…

Computation and Language · Computer Science 2024-02-20 Meng Cao , Lei Shu , Lei Yu , Yun Zhu , Nevan Wichers , Yinxiao Liu , Lei Meng

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

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

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