高速公路应急车道开放工况车辆运行特性

doi:10.16097/j.cnki.1009-6744.2025.03.033

交通运输系统工程与信息 ›› 2025, Vol. 25 ›› Issue (3): 372-382.DOI: 10.16097/j.cnki.1009-6744.2025.03.033

高速公路应急车道开放工况车辆运行特性

徐进^*1,2，罗松¹，陈礼彪³，李涛¹，王涛⁴

1. 重庆交通大学，交通运输学院，重庆400041；2.新疆农业大学，交通与物流工程学院，乌鲁木齐830052；3. 福建省高速公路集团有限公司，福州350300；4.桂林电子科技大学，广西智慧交通重点实验室，广西桂林541004

收稿日期:2024-12-25 修回日期:2025-01-17 接受日期:2025-02-11 出版日期:2025-06-25 发布日期:2025-06-22
作者简介:徐进(1977—)，男，吉林四平人，教授，博士。
基金资助:
重庆市高校创新研究群体项目(CXQT21022)。

Operating Characteristics of Vehicles Under Hard Shoulders Opening Conditions on Expressways

XU Jin^*1,2, LUO Song¹, CHEN Libiao³, LI Tao¹, WANG Tao⁴

1. College of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400041, China; 2. College of Transportation & Logistics Engineering, Xinjiang Agricultural University, Urumqi 830052, China; 3. Fujian Provincial Expressway Group Co Ltd, Fuzhou 350300, China; 4. Guangxi Key Laboratory of Intelligent Transportation System (ITS), Guilin University of Electronic Technology, Guilin 541004, Guangxi, China

Received:2024-12-25 Revised:2025-01-17 Accepted:2025-02-11 Online:2025-06-25 Published:2025-06-22
Supported by:
Chongqing University Innovation Research Group Project (CXQT21022)。

摘要/Abstract

摘要： 为明确高速公路应急车道开放后收益及风险，基于重庆市兰海高速应急车道开放路段的无人机航拍视频，利用AI.Datafromsky平台得到车辆在各车道上的行驶速度、横向加速度和纵向加速度等数据，研究应急车道开放和关闭状态下各车道速度、加速度分布特征以及速度-加速度相关性，明确应急车道不同工况下各车道的真实运行状态和驾驶风险特征。研究结果表明：应急车道开放后，各车道运行速度提升，应急车道车速显著高于快车道和慢车道，道路整体通行能力增强；低速度车辆倾向于选择内侧车道行驶，高速度车辆倾向于选择外侧车道行驶；各车道内车辆间速度差减小，车流运行平稳性增强；应急车道内车辆向左摆动程度显著强于向右摆动，应急车道与慢车道内车辆横向碰撞风险较高；应急车道车流减速行为强于快车道和慢车道，应急车道不同速度车辆对纵向加速度变化敏感程度一致性较高；各车道纵向减速度均值选择存在显著差异，慢车道车辆纵向行驶平顺性减弱，应急车道车辆纵向行驶平顺性弱于快车道和慢车道。

关键词: 公路运输, 运行特性, 速度-加速度, 应急车道, 高速公路, 驾驶行为

Abstract: To clarify the benefits and risks after opening of hard shoulders on expressway, using drones to collect videos of traffic flow on the Lanhai Expressways in Chongqing, through AI.Datafromsky platform to obtain vehicle speed, lateral acceleration, and longitudinal acceleration data. Then study the speed and acceleration distribution characteristics of each lane under the open and closed states of the hard shoulders, as well as the speed acceleration correlation. It clarifies the real operating status and driving risk characteristics of each lane under different working conditions of the hard shoulders. The research results indicate that after the opening of hard shoulders, the operating speed of each lane increases, and the speed of hard shoulders is significantly higher than that of fast lane and slow lane, resulting in an overall increase in expressway traffic capacity. Low speed vehicles tend to choose the inner lane for driving, while high-speed vehicles tend to choose the outer lane for driving. The speed difference between vehicles in each lane is reduced, which enhanced the smoothness of traffic flow on the expressway. The degree of left swing of vehicles in the hard shoulder is significantly stronger than that of right swing, and the risk of lateral collision between the hard shoulders and slow lane is higher than other lanes. The deceleration behavior of hard shoulder traffic is stronger than that of fast lane and slow lane, and the sensitivity of vehicles with different speeds in the hard shoulders to longitudinal acceleration changes is consistent. There are significant differences in the selection of the mean longitudinal deceleration of each lane. The longitudinal smoothness of vehicles in slow lane is weakened, and the longitudinal smoothness of vehicles in the hard shoulder is weaker than that in fast lane and slow lane.

Key words: highway transportation, operation characteristics, speed and acceleration, hard shoulder, expressway, driving behaviors

中图分类号:

U491.25

徐进, 罗松, 陈礼彪, 李涛, 王涛. 高速公路应急车道开放工况车辆运行特性[J]. 交通运输系统工程与信息, 2025, 25(3): 372-382.

XU Jin, LUO Song, CHEN Libiao, LI Tao, WANG Tao. Operating Characteristics of Vehicles Under Hard Shoulders Opening Conditions on Expressways[J]. Journal of Transportation Systems Engineering and Information Technology, 2025, 25(3): 372-382.

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高速公路应急车道开放工况车辆运行特性

Operating Characteristics of Vehicles Under Hard Shoulders Opening Conditions on Expressways

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