| 城市快速路交通流特性研究 |
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| 引用本文： | 郝媛,徐天东,干宏程,孙立军.城市快速路交通流特性研究[J].交通运输工程与信息学报,2006,4(4):21-27. |
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| 作者姓名： | 郝媛 徐天东 干宏程 孙立军 |
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| 作者单位： | 同济大学,道路与交通工程教育部重点实验室,上海,200092 |
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| 摘 要： | 本文利用我国城市快速路交通信息采集系统的实时交通检测数据，对城市快速路交通流的动态特性进行了分析；对比了多车道交通流量、密度、速度的横向分布差异；最后比选了适用于城市快速路的稳态交通流模型，并标定了模型参数，本文的研究成果将对城市快速路的规划、设计、运营、管理和评价提供科学依据和数据支持．
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| 关 键 词： | 城市快速路 动态特性 横向分布特性 交通流模型 |
| 文章编号： | 1672-4747（2006）04-0021-07 |
| 收稿时间： | 2006-01-06 |
| 修稿时间： | 2006年1月6日 |
Research on Traffic Stream Characteristics of Urban Expressway |
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| HAO Yuan,XU Tian-dong,GAN Hong-cheng,SUN Li-jun.Research on Traffic Stream Characteristics of Urban Expressway[J].Journal of Transportation Engineering and Information,2006,4(4):21-27. |
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| Authors: | HAO Yuan XU Tian-dong GAN Hong-cheng SUN Li-jun |
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| Abstract: | By using real-time traffic flow data detected by traffic system on urban expressway in our country, the paper analyzes the information collecting dynamic characteristic of traffic flow; and contrasts the transverse distribution characteristic of the flow, density velocity of the multi-lane sections; at last, the paper compares several steady traffic flow models that are suitable for urban expressway, and estimates the value of parameters. The research of this paper can provide scientific basis and data support for the layout, design, operation, management and evaluation of urban expressway. |
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| Keywords: | Urban expressway dynamic characteristic transverse distribution characteristic traffic flow model |
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