Forecast of traffic jam at intersections on urban road

被引：0

作者：

Chen X.-H. ^{[1
,2
]}

Qian D.-L. ^{[1
,2
]}

机构：

[1] School of Traffic and Transportation, Beijing Jiaotong University

[2] MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University

来源：

Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) | 2010年 / 38卷 / 07期

关键词：

Congestion critical point; Intersection; Qualitative reasoning; Steady-state evaluation index; Traffic jam;

D O I：

10.3969/j.issn.1000-565X.2010.07.013

中图分类号：

学科分类号：

摘要：

According to the characteristics of traffic jam at intersections and on the basis of qualitative reasoning, a time-related steady-state evaluation index (SEI) is proposed to describe the traffic situations at the entrance of intersections on urban road. Simulated results indicate that, before the formation of traffic jam at intersections, the SEI of traffic flow abruptly changes and a transition from steady state to unsteady state and finally to steady-state may occur, and that the critical congestion point determined by the SEI basically accords with the formation and dissipation time of traffic jam reflected by the total queue length.

引用

页码：72 / 77

页数：5

共 12 条

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