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Signal coordination scheme based on traffic emission

Lookup NU author(s): Yuhao Ji, Dr Graeme Hill, Dr Amy Guo Guo, Professor Phil Blythe

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by IET, 2016.

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Abstract

Signal coordination is an effective method to reduce transit delay. However, to date, little attention has been paid to its impacts on traffic emmission. In this paper, an optimal signal coordination scheme based on an arrival-departure curve and a multi-objective genetic algorithm was developed, where emission can be quantified and taken into consideration. By analyzing the limitation of the conventional algebraic method, a new algorithm based on analysis of arrival-departure curves was proposed. A microscopic emission simulation platform based on the microscopic traffic simulation model VISSIM and the comprehensive modal emission model (CMEM) was established to calculate the associated traffic emission. A multi-objective genetic algorithm was used to find Pareto solutions that simultaneously balance and optimisethe reduction in both driver delay and vehicle emission. Using real-world traffic condition data collected in Changzhou city, China, an example of the signal coordination scheme was developed and its impact on emission was simulated in the VISSIM-CMEM platform. Simulation results showed that a positive effect can be made by the proposed scheme in the aspect of overall emissions. The proposed signal coordination scheme achieved an average reduction of 28.8% on public transport vehicles and 18.7% on all vehicles.


Publication metadata

Author(s): Ji Y, Hu B, Hill G, Guo W, Blythe PT, Gao L

Publication type: Article

Publication status: Published

Journal: IET Intelligent Transport Systems

Year: 2016

Volume: 10

Issue: 2

Pages: 89-96

Print publication date: 15/02/2016

Online publication date: 14/08/2015

Acceptance date: 12/07/2015

ISSN (print): 1751-956X

ISSN (electronic): 1751-9578

Publisher: IET

URL: https://doi.org/10.1049/iet-its.2014.0255

DOI: 10.1049/iet-its.2014.0255


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