Encroaching Time Interval Distribution Models of Permitted Left-turning Vehicles with Non-strict Priority

被引：0
|
作者：
Qu Z.-W. [1 ]
Bai Q.-W. [1 ]
Chen Y.-H. [1 ]
Xiong S. [1 ]
Deng X.-L. [1 ]
机构：
[1] College of Transportation, Jilin University, Changchun
来源：
Jiaotong Yunshu Xitong Gongcheng Yu Xinxi/Journal of Transportation Systems Engineering and Information Technology | 2018年 / 18卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Distribution model; Encroaching time interval; Kolmogorov-Smirnov test; Non-strict priority; Permitted phase; Urban traffic;
D O I：
10.16097/j.cnki.1009-6744.2018.02.014
中图分类号：
学科分类号：
摘要：
A new concept, encroaching time interval, is proposed to describe the micro-characteristic of the permitted left-turning flow under non-strict priority. According to different locations of crossing-through vehicles when left-turns are crossing through, there are four traffic statuses. Then seven distribution models are used to analyze the encroaching time interval with a large number of measured data. Parameters in these models are solved by the maximum likelihood estimation method. And the goodness of fit to these models is given by Kolmogorov-Smirnov test. The Log-Logistic model is found to be the best choice in different kinds of traffic status. And its parameter values are heavily correlated to different traffic status. At last, a verification test is conducted at other two intersections. The result shows the applicability of the Log-Logistic model in describing the encroaching time interval distribution. Copyright © 2018 by Science Press.
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页码：87 / 93
页数：6
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