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Evaluating the Environmental Impact of Bus Signal Priority at Intersections under Hybrid Energy Consumption Conditions

Author

Listed:
  • Ning Huan

    (Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Beijing Jiaotong University, Beijing 100044, China)

  • Enjian Yao

    (Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Beijing Jiaotong University, Beijing 100044, China)

  • Yulin Fan

    (China Airport Planning & Design Institute Co., Ltd., Beijing 100029, China)

  • Zhaohui Wang

    (Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Beijing Jiaotong University, Beijing 100044, China)

Abstract

The acceleration of the motorization process creates severe environmental problems by affecting the energy consumption of urban traffic. As a major source of traffic pollution, vehicle exhaust deserves more attention when making traffic policy. Actually, the acceleration, deceleration, and idling conditions of vehicles cause more pollution than usual, which mainly happens at intersections of the road network. Besides, in the context of giving priority on public transport development, bus signal priority (BSP) at intersections becomes a quite prevalent measure to reduce average capita delay for travelers, while long-term practice also indicates that the unreasonable setting of bus lane further worsens the running conditions for other vehicles by occupying excessive traffic capacity, which highlights the indirect environmental effects of BSP. This paper provides a simulation-based method for evaluating the adaptability of BSP to find an optimum balance between efficient and environmental care. Specifically, the traffic volume, bus mixed rate of the intersection and energy types of vehicles consist of hybrid energy consumption conditions collectively. A VSP (vehicle specific power)-based exhaust emission models for both buses and other vehicles are employed to estimate the environmental cost of the entire intersection. Moreover, the overall efficiency of gasoline and electric vehicles is further evaluated to offer more implications for traffic control practice.

Suggested Citation

  • Ning Huan & Enjian Yao & Yulin Fan & Zhaohui Wang, 2019. "Evaluating the Environmental Impact of Bus Signal Priority at Intersections under Hybrid Energy Consumption Conditions," Energies, MDPI, vol. 12(23), pages 1-18, November.
  • Handle: RePEc:gam:jeners:v:12:y:2019:i:23:p:4555-:d:292276
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    References listed on IDEAS

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    1. Jose Viegas & Baichuan Lu, 2000. "Widening the scope for bus priority with intermittent bus lanes," Transportation Planning and Technology, Taylor & Francis Journals, vol. 24(2), pages 87-110, October.
    2. Dion, François & Hellinga, Bruce, 2002. "A rule-based real-time traffic responsive signal control system with transit priority: application to an isolated intersection," Transportation Research Part B: Methodological, Elsevier, vol. 36(4), pages 325-343, May.
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    Cited by:

    1. Hong Gao & Kai Liu & Xinchao Peng & Cheng Li, 2020. "Optimal Location of Fast Charging Stations for Mixed Traffic of Electric Vehicles and Gasoline Vehicles Subject to Elastic Demands," Energies, MDPI, vol. 13(8), pages 1-16, April.

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