共享自动驾驶汽车适合公共交通型城市还是私人交通型城市(或者两者都不适合)?

IF 7.3 1区 工程技术 Q1 ENVIRONMENTAL STUDIES
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引用次数: 0

摘要

模拟研究表明,共享自动驾驶汽车(SAVs)可以有效地将多个用户集中在一辆车内,从而减少车辆总行驶公里数(VKT)。然而,模式选择研究表明,共享自动驾驶汽车将主要吸引公共交通用户,从而导致车辆总行驶公里数增加。本文是首批将这些运营预期和行为预期结合起来的论文之一,也是首批进行分析的论文之一。在我们的理论设定中,旅客会根据他们对私人出行的个人估价以及每种出行方式的其他属性,在汽车、公共交通和小型自动车之间做出选择。我们发现,在以公共交通为导向的城市中,引入 SAV 会导致 VKT 的变化,幅度从小幅下降到大幅上升不等,其中后者在合理的参数设置下是真实的,因此是引入 SAV 政策的一个警示点。相反,在以私人交通为主的城市中,小型自动车只能吸引很少的旅客,因此不会对旅行总人数产生重大影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Are shared automated vehicles good for public- or private-transport-oriented cities (or neither)?

Simulation studies suggest that Shared Automated Vehicles (SAVs) could reduce the total vehicle kilometres travelled (VKT) thanks to efficiently pooling multiple users in one vehicle. However, mode choice studies indicate that SAVs would attract mostly public transport users, leading to an increase in VKT. This paper is among the first to combine these operational and behavioural expectations and the first to do so analytically. In our theoretical set-up, travellers choose between car, public transport, and SAVs, depending on their individual valuation of private travel and other attributes of each mode. We find that the introduction of SAVs lead to a VKT change in public-transport-oriented cities ranging from a small decrease to a large increase, where the latter is true for plausible parameter settings and hence is a cautionary point for SAV-introduction policies. Conversely, SAVs would attract only few travellers in private-transport-oriented cities and therefore would not significantly impact VKT.

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来源期刊
CiteScore
14.40
自引率
9.20%
发文量
314
审稿时长
39 days
期刊介绍: Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.
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