应用历史综合多式联运数据检验通勤时间悖论:来自俄勒冈州波特兰地区的证据

Q1 Mathematics Applied Sciences Pub Date : 2024-09-18 DOI:10.3390/app14188369
Huajie Yang, Jiali Lin, Jiahao Shi, Xiaobo Ma
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引用次数: 0

摘要

关于通勤时间随时间变化的稳定性,已有许多理论和实证交通研究提出了质疑。通勤时间恒定假说认为,人们会调整出行时长、转换出行方式并对出行地点进行分类,从而使其平均通勤时间保持在一个恒定的预算范围内。采用总量分析的研究与采用分类分析的研究之间存在差异,数据收集方面的差异可能是导致文献中报告的结论各不相同的原因。本研究通过对波特兰地区的两次旅行调查进行了总量和分类分析。我们采用描述性分析和 t 检验来比较两年的总体通勤时间,并使用回归模型来探讨影响单次出行的分类通勤时间的因素,以研究在交通和土地使用系统发生重大变化后,通勤时间是否保持稳定。我们的研究表明,在研究期间,随着非驾车出行方式所占比例的变化,平均通勤时间和平均通勤距离都略有增加。由于非驾驶模式所占比例的增长比驾驶模式慢,再加上出行距离的增加,导致平均通勤时间略有增加。我们的分析还表明,公交乘客和司机的平均出行速度都有所提高,这与早先的研究相矛盾,因为早先的研究称公共交通投资加剧了波特兰的交通拥堵状况。
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Application of Historical Comprehensive Multimodal Transportation Data for Testing the Commuting Time Paradox: Evidence from the Portland, OR Region
There have been numerous theoretical and empirical transportation studies contesting the stability of commuting time over time. The constant commuting time hypothesis posits that people adjust trip durations, shift across modes, and sort through locations, so that their average commuting time remains within a constant budget. There is a discrepancy between studies applying aggregate analysis and those using disaggregate analysis, and differences in data collection may have contributed to the varying conclusions reported in the literature. This study conducts both aggregate and disaggregate analyses with two travel surveys of the Portland region. We employ descriptive analysis and t-tests to compare the aggregate commuting times of two years and use regression models to explore factors affecting the disaggregate commuting time at the individual trip level to examine whether the stability of the commuting time remains after substantial changes in the transportation and land use systems. Our study indicates that the average commuting time, along with the average commuting distance, increased slightly, as the mode share shifted away from driving during the examined period. The growth in shares of non-driving modes, which are slower than driving, coupled with an increased travel distance, contributed to the small increase in the average commuting time. Our analysis also indicates that the average travel speed improved for transit riders as well as drivers, contradicting earlier research that claims that public transit investment has worsened the congestion in Portland.
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来源期刊
Applied Sciences
Applied Sciences Mathematics-Applied Mathematics
CiteScore
6.40
自引率
0.00%
发文量
0
审稿时长
11 weeks
期刊介绍: APPS is an international journal. APPS covers a wide spectrum of pure and applied mathematics in science and technology, promoting especially papers presented at Carpato-Balkan meetings. The Editorial Board of APPS takes a very active role in selecting and refereeing papers, ensuring the best quality of contemporary mathematics and its applications. APPS is abstracted in Zentralblatt für Mathematik. The APPS journal uses Double blind peer review.
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