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Sustainability 2018, 10(1), 68; https://doi.org/10.3390/su10010068

Optimization of a Traffic Control Scheme for a Post-Disaster Urban Road Network

1
School of Economics and Management, Southwest Jiaotong University, Chengdu 630031, China
2
School of information and Technology, Shandong Women’s University, Jinan 250002, China
3
School of Information Science and Engineering, Shandong Normal University, Jinan 250014, China
*
Authors to whom correspondence should be addressed.
Received: 19 November 2017 / Revised: 19 December 2017 / Accepted: 22 December 2017 / Published: 28 December 2017
View Full-Text   |   Download PDF [4243 KB, uploaded 28 December 2017]   |  

Abstract

Traffic control of urban road networks during emergency rescues is conducive to rapid rescue in the affected areas. However, excessive control will lead to negative impacts on the normal traffic order. We propose a novel model to optimize the traffic control scheme during the post-disaster emergency rescue period named PD-TCM (post-disaster traffic control model). In this model, the vertex and edge betweenness indexes of urban road networks are introduced to evaluate the controllability of the road sections. The gravity field model is also used to adjust the travel time function of different road sections in the control and diverging domains. Experimental results demonstrate that the proposed model can obtain the optimal traffic control scheme efficiently, which gives it the ability to meet the demand of emergency rescues as well as reducing the disturbances caused by controls. View Full-Text
Keywords: emergency rescue; urban road network; traffic control; optimization model; genetic algorithm emergency rescue; urban road network; traffic control; optimization model; genetic algorithm
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Shao, Z.; Ma, Z.; Liu, S.; Lv, T. Optimization of a Traffic Control Scheme for a Post-Disaster Urban Road Network. Sustainability 2018, 10, 68.

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