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Title: Dynamic preemption algorithm to assign priority for emergency vehicle in crossing signalised intersection
Authors: Salih, AA
Lewis, A
Chung, E 
Issue Date: 2019
Source: IOP conference series : materials science and engineering, 2019, v. 518, no. 2, 22038
Abstract: Emergency vehicle (EV) services save lives around the world. The necessary fast response of EVs requires minimising travel time. Preempting traffic signals can enable EVs to reach the desired location quickly. Most of the current research tries to decrease EV delays but neglects the resulting negative impacts of the preemption on other vehicles in the side roads. This paper proposes a dynamic preemption algorithm to control the traffic signal by adjusting some cycles to balance between the two critical goals: minimal delay for EVs with no stop, and a small additional delay to the vehicles on the side roads. This method is applicable to preempt traffic lights for EVs through an Intelligent Transportation System. A Matlab-Vissim Interface was implemented to simulate the intersection and apply the proposed algorithm. The results show a significant decrease in delays for both EVs and other traffic.
Publisher: Institute of Physics Publishing
Journal: IOP conference series : materials science and engineering 
ISSN: 1757-8981
EISSN: 1757-899X
DOI: 10.1088/1757-899X/518/2/022038
Description: 2nd International Conference on Sustainable Engineering Techniques, ICSET 2019, Iraq, 6-7 March 2019
Rights: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.
The following publication Salih, A. A., Lewis, A., & Chung, E. (2019, May). Dynamic Preemption Algorithm to Assign Priority for Emergency Vehicle in Crossing Signalised Intersection. In IOP Conference Series: Materials Science and Engineering (Vol. 518, No. 2, p. 022038). IOP Publishing, is available at
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