A critical review of traffic signal control and a novel unified view of reinforcement learning and model predictive control approaches for adaptive traffic signal control

Xiaoyu Wang, Baher Abdulhai and Scott Sanner

Chapter 17 in Handbook on Artificial Intelligence and Transport, 2023, pp 482-532 from Edward Elgar Publishing

Abstract: 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 algorithms such as reinforcement learning as well as conventional model predictive control. However, the lack of cross-domain analysis and comparison of the effectiveness of applied methods in ATSC research limit our understanding of existing challenges and research directions. This chapter proposes a novel unified view of modern ATSCs to identify common ground as well as differences and shortcomings of existing methodologies with the ultimate goal to facilitate cross-fertilization and advance the state of the art. The unified view applies the mathematical language of the Markov decision process and describes the process of controller design from both the world (problem) and solution modeling perspectives. The unified view also analyses systematic issues commonly ignored in existing studies and suggests future potential directions to resolve these issues.

Keywords: Economics and Finance; Environment; Geography; Innovations and Technology; Law - Academic; Politics and Public Policy Urban and Regional Studies (search for similar items in EconPapers)
Date: 2023
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