Stochastic Optimization and Adaptive Control for Dynamic Bus Lane Management Under Heterogeneous Connected Traffic

Bo Yang, Chunsheng Wang (), Junxi Yang and Zhangyi Wang
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Bo Yang: School of Automation, Central South University, Changsha 410083, China
Chunsheng Wang: School of Automation, Central South University, Changsha 410083, China
Junxi Yang: School of Traffic and Transportation Engineering, Central South University, Changsha 410083, China
Zhangyi Wang: School of Automation, Central South University, Changsha 410083, China

Mathematics, 2025, vol. 13, issue 22, 1-22

Abstract: The efficiency of intelligent urban mobility increasingly depends on adaptive mathematical models that can optimize multimodal transportation resources under stochastic and heterogeneous conditions. This study proposes a Markovian stochastic modeling and metaheuristic optimization framework for the adaptive management of bus lane capacity in mixed connected traffic environments. The heterogeneous vehicle arrivals are modeled using a Markov Arrival Process (MAP) to capture correlated and busty flow characteristics, while the system-level optimization aims to minimize total fuel consumption through discrete lane capacity allocation. To support real-time adaptation, a Hidden Markov Model (HMM) is integrated for queue-length estimation under partial observability. The resulting nonlinear and nonconvex optimization problem is solved using Genetic Algorithm (GA), Differential Evolution (DE), and Particle Swarm Optimization (PSO), ensuring robustness and convergence across diverse traffic scenarios. Numerical experiments demonstrate that the proposed stochastic–adaptive framework can reduce fuel consumption and vehicle delay by up to 68% and 65%, respectively, under high saturation and connected-vehicle penetration. The findings verify the effectiveness of coupling stochastic modeling with adaptive control, providing a transferable methodology for energy-efficient and data-driven lane management in smart and sustainable cities.

Keywords: Markov Arrival Process (MAP); stochastic queuing model; adaptive traffic control; metaheuristic optimization; hidden Markov model (HMM) (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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