[1] Hu Hong, Wei Heng, Liu Xiaoming, Yang Xiaokuan, et al. Car-following model featured with factors reflectingemergency evacuation situation [J]. Journal of Southeast University (English Edition), 2008, 24 (2): 216-221. [doi:10.3969/j.issn.1003-7985.2008.02.019]

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Car-following model featured with factors reflectingemergency evacuation situation()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

24

Issue:

2008 2

Page:

216-221

Research Field:

Traffic and Transportation Engineering

Publishing date:

2008-06-03

Info

Title:

Car-following model featured with factors reflectingemergency evacuation situation

Author(s):

Hu Hong¹;  Wei Heng²;  Liu Xiaoming¹;  Yang Xiaokuan¹

¹ Transportation Research Center, Beijing University of Technology, Beijing 100124, China
² Department of Civil and Environmental Engineering, The University of Cincinnati, Cincinnati, Ohio 45221, USA

Keywords:

emergency evacuation;  car-following;  minimum safety distance;  driving behavior

PACS:

U12

DOI:

10.3969/j.issn.1003-7985.2008.02.019

Abstract:

A new emergency evacuation car-following model(EECM)is proposed.The model aims to capture the main characteristics of traffic flow and driver behavior under an emergency evacuation, and it is developed on the basis of minimum safety distances with parts of the drivers’ abnormal behavior in a panic emergency situation.A thorough questionnaire survey is undertaken among drivers of different ages.Based on the results from the survey, a safety-distance car-following model is formulated by taking into account two new parameters: a differential distributing coefficient and a driver’s experiential decision coefficient, which are used to reflect variations of driving behaviors under an emergency evacuation situation when compared with regular conditions.The formulation and derivation of the new model, as well as its properties and applicability are discussed.A case study is presented to compare the car-following trajectories using observed data under regular peak-hour traffic conditions and theoretical EECM results.The results indicate the consistency of the analysis of assumptions on the EECM and observations.

References:

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Memo

Memo:

Biographies: Hu Hong(1971—), female, graduate;Liu Xiaoming(corresponding author), male, professor, liuxm@bjut.edu.cn.
Foundation items: The National Key Technology R& D Program of China during the 10th Five-Year Plan Period(No.2005BA41B11), the National Natural Science Foundation of China(No.50578003).
Citation: Hu Hong, Wei Heng, Liu Xiaoming, et al.Car-following model featured with factors reflecting emergency evacuation situation[J].Journal of Southeast University(English Edition), 2008, 24(2):216-221.

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