交通运输系统工程与信息 ›› 2008, Vol. 8 ›› Issue (1): 144-148 .

• 案例分析 • 上一篇    

下匝道衔接道路最小长度计算模型

张旭旻1;李文权*2   

  1. 1成都市规划设计研究院,成都 610081; 2东南大学,南京 210096
  • 收稿日期:2007-06-05 修回日期:2007-10-08 出版日期:2008-02-25 发布日期:2008-02-25
  • 通讯作者: 李文权
  • 作者简介:张旭旻(1983-),女,山西晋中人,硕士生.
  • 基金资助:

    国家自然科学基金项目(50478071).

A Minimum Length Model for Joint Section of Expressway Off-Ramp

ZHANG Xu-min1; LI Wen-quan2   

  1. 1.Chengdu Institute Urban Planning & Design, Chengdu 610081; 2.Southeast University, Nanjing 210096, China
  • Received:2007-06-05 Revised:2007-10-08 Online:2008-02-25 Published:2008-02-25
  • Contact: LI Wen-quan

摘要: 在对下匝道衔接道路进行交通调查的基础上,应用数理统计方法和回归技术分析了衔接道路上车辆的变换车道特征和车头时距分布规律,验证了可能性转移矩阵法的假设条件是符合衔接道路的交通运行特征的,可以用该方法计算衔接道路的最小长度,并应用分析得到的衔接道路车头时距分布规律对模型进行了修正,经过算例分析验证模型的有效性

关键词: 衔接道路, 下匝道, 变换车道, 车头时距

Abstract: Based on the traffic investigation of off-ramp joint, the lane changing characteristics are analyzed, and the rules of headway distribution are set up with statistical methods and regression techniques. It is confirmed that the possibility shift matrix technique fits the calculation of the minimum length of express off-ramp joint. Then based on headway distribution, the model of the minimum convergence section length is reformed. Finally, an example for conformation of the model is provided.

Key words: joint, off-ramp, land changing, headway

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