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基于行程速度指数的城市快速路服务水平评价方法

杨富社,  邹群,  李明,  陈宽民,  高扬

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文章导航 > 交通运输工程学报  > 2014 >  14(5): 68-73
杨富社, 邹群, 李明, 陈宽民, 高扬. 基于行程速度指数的城市快速路服务水平评价方法[J]. 交通运输工程学报, 2014, 14(5): 68-73.
引用本文: 杨富社, 邹群, 李明, 陈宽民, 高扬. 基于行程速度指数的城市快速路服务水平评价方法[J]. 交通运输工程学报, 2014, 14(5): 68-73.
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YANG Fu-she, ZOU Qun, LI Ming, CHEN Kuan-min, GAO Yang. Evaluation method of urban expressway service level based on traveling speed index[J]. Journal of Traffic and Transportation Engineering, 2014, 14(5): 68-73.
Citation: YANG Fu-she, ZOU Qun, LI Ming, CHEN Kuan-min, GAO Yang. Evaluation method of urban expressway service level based on traveling speed index[J]. Journal of Traffic and Transportation Engineering, 2014, 14(5): 68-73.
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基于行程速度指数的城市快速路服务水平评价方法

  • 1.

    长安大学 公路学院, 陕西 西安 710064

  • 2.

    长安大学 理学院, 陕西 西安 710064

  • 3.

    南昌工程学院 土木与建筑工程学院, 江西 南昌 330029

基金项目: 

陕西省交通科技项目 14-29R

中央高校基本科研业务费专项资金项目 2014G1221014

中央高校基本科研业务费专项资金项目 2014G1221020

详细信息
    作者简介:

    杨富社(1963-), 男, 陕西咸阳人, 长安大学副教授, 工学博士研究生, 从事道路交通规划研究

    陈宽民(1957-), 男, 陕西西安人, 长安大学教授, 工学博士

  • 中图分类号: U491.113

Evaluation method of urban expressway service level based on traveling speed index

  • 1.

    School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    School of Science, Chang'an University, Xi'an 710064, Shaanxi, China

  • 3.

    School of Civil Engineering and Architecture, Nanchang Institute of Technology, Nanchang 330029, Jiangxi, China

More Information
    Author Bio:

    YANG Fu-she(1963-), male, associate professor, doctoral student, +86-29-82334636, fusheyang@chd.edu.cn

    CHEN Kuan-min(1957-), male, professor, PhD, +86-29-82334636, chenkm@yeah.net

    摘要
  • 摘要: 根据城市快速路的特性, 将城市快速路分为基本路段、交织区和分合流区。运用Greenshields模型计算自由流行程速度, 通过双线圈检测器获取地点速度并由此估算行程速度。对行程速度指数进行右侧均值和均方差的一致性检验, 将服务水平量化, 提出了基于行程速度指数的城市快速路服务水平评价方法, 并在西安市南二环某路段上进行实例验证。评价结果表明: 当自由流、高峰时段、平峰时段的行程速度分别为82.514、47.825、67.930km·h-1时, 高峰时段行程速度指数的均值和均方差检验结果分别为7.206、8.482, 城市快速路服务水平为2.667, 为Ⅲ级; 平峰时段行程速度指数的均值和均方差检验结果分别为6.408、8.960, 城市快速路服务水平为4.083, 为Ⅱ级。计算结果与实际情况相符, 提出的方法有效。

     

    Abstract: According to the characteristics of urban expressway, urban expressway was divided into basic section, weaving section, diverging and merging section.The traveling speed of free flow was calculated by using Greenshields model, and spot speed data were collected through dual-loop detector to estimate traveling speed.After the consistency test of right side mean and mean square deviation for traveling speed index, the service level was quantified, the evaluation method of urban expressway service level based on traveling speed index was proposed, and example verification was carried out on the Southern Section of Second Circular Road of Xi'an City.Evaluation result shows that when the traveling speeds in free flow, peak period and flat peak period are 82.514, 47.825 and 67.930 km·h-1 respectively, the mean and mean square deviation of traveling speed index in peak period are 7.206, 8.482 respectively, and the service level of urban expressway is 2.667 and is Ⅲ level.The mean and mean square deviationof traveling speed index in flat peak period are 6.408, 8.960, and the service level of urban expressway is 4.083 and is Ⅱ level.The calculation result consists with actual situation, so the proposed method is effective.

     

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  • 图  1  行车速度检测器布设

    Figure  1.  Detector layout of traveling speed

    下载: 全尺寸图片 幻灯片

    图  2  研究路段

    Figure  2.  Study section

    下载: 全尺寸图片 幻灯片

    表  1  城市快速路服务水平标准

    Table  1.   Service level standard of urban expressway
    下载: 导出CSV

    表  2  行程速度测试数据

    Table  2.   Test data of traveling speed
    下载: 导出CSV

    表  3  行程速度分析结果

    Table  3.   Analysis results of traveling speed
    下载: 导出CSV

    表  4  自由流行程速度分析结果

    Table  4.   Analysis results of free traveling speed
    下载: 导出CSV

    表  5  城市快速路服务水平分析结果

    Table  5.   Analysis results of urban expressway service level
    下载: 导出CSV
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