交通运输系统工程与信息 ›› 2021, Vol. 21 ›› Issue (1): 214-220.

所属专题: 2021年英文专栏

• 工程应用与案例分析 • 上一篇    下一篇

老年人过街比例与信号交叉口行人过街速度设置研究

张惠玲*a, b,奚邦顺b   

  1. 重庆交通大学,a. 山地城市交通系统与安全重庆市重点实验室;b. 交通运输学院,重庆 400074
  • 收稿日期:2020-07-18 修回日期:2020-10-20 出版日期:2021-02-25 发布日期:2021-02-25
  • 作者简介:张惠玲(1980- ),女,宁夏中宁人,教授,博士。
  • 基金资助:

    重庆市自然科学基金面上项目/ Natural Science Foundation of Chongqing, China(cstc2020jcyj-msxmX0083);重庆市教委科学技术研究项目/ Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201800727);山地城市交通系统与安全重庆市重点实验室开放基金/ Openning Fundation of Chongqing Key Lab of Traffic System & Safety in Mountain Cities(2018TSSMC03)。

Signalized Intersection Pedestrian Crossing Design Speed and Elderly Pedestrian Proportion Relationship Study

ZHANG Hui-ling*a, b, XI Bang-shunb   

  1. a. Chongqing Key Lab of Traffic System & Safety in Mountain Cities; b. College of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400074, China
  • Received:2020-07-18 Revised:2020-10-20 Online:2021-02-25 Published:2021-02-25

摘要:

为分析不同老年人比例在不同行人流量下与行人步行速度之间的关系,借助行人流量对行人服务水平分级,通过人工提取重庆市3个信号交叉口的老年人和中青年人过街的自由速度及加速度标定仿真参数,借助微观仿真平台获取不同行人服务水平下不同老年人比例与行人步行速度数据,利用主成分分析法与回归模型确定老年人过街比例与设计速度之间的关系。结果表明:在信号交叉口行人过街中老年人比例介于21%~41%,建议行人过街设计速度为0.94 m ⋅s-1;老年人比例超过41%后,行人过街设计速度应设定为0.86 m ⋅s-1,以满足老年人的过街需求。

关键词: 交通工程, 行人过街设计速度, 主成分分析法, 老年人比例, 行人流量

Abstract:

This study investigates the relationship between pedestrian crossing speed and the elderly pedestrian proportion under different pedestrian flow conditions. The micro simulation model was used to obtain the crossing speed and elderly pedestrian proportion data considering different pedestrian level of services (PLOS). The pedestrian free-flow speed and accelerations for the old people, the young and middle-aged people were collected at three signalized intersections in Chongqing, China to calibrate the micro-simulation model. The relationship between the elderly pedestrian proportion and the pedestrian crossing design speed was established by the principal component analysis and the regression model. The results indicate that the design speed of pedestrian crossing is 0.94 m ⋅ s-1 when the elderly pedestrian accounts for 21% to 41% of the pedestrian flow. The design speed of pedestrian crossing is recommended to be 0.86 m ⋅ s-1 when there are more than 41% of pedestrians are elderly people, which meets the needs of the elderly crossing at signalized intersections.

Key words: traffic engineering, pedestrian crossing design speed, principal component analysis, elderly pedestrian proportion, pedestrian flow

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