调查天气情况及时段对交通流量特征的影响

IF 1.9 4区 地球科学 Q3 ENVIRONMENTAL STUDIES Weather Climate and Society Pub Date : 2022-07-01 DOI:10.1175/wcas-d-22-0012.1
Aleksandra Romanowska, M. Budzynski
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引用次数: 0

摘要

雨、雪和雾等恶劣天气可能会显著降低能见度或改变附着力,从而影响驾驶员的安全感、驾驶舒适性,以及他们对不断变化的驾驶环境的反应(即降低速度和增加车头时距)。个体驾驶员行为的变化既影响交通流特征,即平均速度和车头时距,也影响与高速公路性能相关的参数,如自由流速度和通行能力。因此,在预测和评估规划或现有道路设施的交通状况时,了解影响可能很重要。本文讨论了恶劣天气条件和一天中的时间对交通流特性的影响以及与公路性能相关的参数。利用波兰高速公路的真实交通和天气数据,本文旨在确定与天气和时间相关的因素,这些因素对交通流参数和交通状况有显著影响,并分析和量化这种影响。这项研究的结果可能有助于制定与天气相关的调整系数,例如,在夜间或下雨或能见度有限的情况下,可以估计车辆的平均速度。这项研究的结果可能有助于波兰为不间断交通设施提供一种新的容量估计和交通状况评估方法。
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Investigating the Impact of Weather Conditions and Time of Day on Traffic Flow Characteristics
Adverse weather such as rain, snow, and fog may significantly reduce visibility or change adhesion properties and, as a consequence, affect drivers’ sense of safety, driving comfort, and their reaction to a changing driving environment (i.e., lower speed and increased headways). The changed behavior of individual drivers affects both traffic flow characteristics, that is, average speed and headways, and parameters related to highway performance such as free-flow speed and capacity. Thus, understanding the impact may be important in the context of predicting and assessing traffic conditions on planned or existing road facilities. The paper discusses the effects of adverse weather conditions and time of day on traffic flow characteristics and the parameters related to highway performance. Using real traffic and weather data from a Polish expressway, the paper aims to identify factors related to weather and time of day that significantly influence traffic flow parameters and traffic conditions and to analyze and quantify this impact. The results of the study may help to develop coefficients of weather-related adjustment factors that will make it possible to estimate, for example, average speed of vehicles in the nighttime or in conditions of rain or limited visibility. The results of the study may contribute to a new Polish method for capacity estimation and traffic conditions assessment for uninterrupted traffic facilities.
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来源期刊
Weather Climate and Society
Weather Climate and Society METEOROLOGY & ATMOSPHERIC SCIENCES-
CiteScore
3.40
自引率
13.60%
发文量
95
审稿时长
>12 weeks
期刊介绍: Weather, Climate, and Society (WCAS) publishes research that encompasses economics, policy analysis, political science, history, and institutional, social, and behavioral scholarship relating to weather and climate, including climate change. Contributions must include original social science research, evidence-based analysis, and relevance to the interactions of weather and climate with society.
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