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Valuation of travel time reliability in freight transportation: A review and meta-analysis of stated preference studies

机译：货运中旅行时间可靠性的评估：陈述偏好研究的回顾和荟萃分析

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摘要

In an effort to advance the understanding of value of reliability (VOR) in freight transportation, this paper provides a comprehensive review of existing studies. This study focused on reliability measures adopted by various studies, the theoretical and mathematical foundation of modeling the valuation of reliability, and the contributing factors that influence the values. Since nearly all the studies in VOR analysis employed stated preference (SP) surveys and the survey design directly affects the study elements and modeling approaches, this synthesis pays close attention to the various survey design components. Through a comparative analysis among existing studies, this paper aims to shed some lights on the potential factors that contribute to the variations in VOR estimation. The results indicated that the estimated VOR values varied largely from one study to another; probably due to the use of different units, reliability measures and survey design approaches. This review showed the complexity and challenges faced when studying freight users' VOR. Insufficient data has also been cited as a major obstacle to advances in the understanding of how the freight industry values travel time reliability. Furthermore, the large variations in the VOR values indicate the need for further research efforts in this area. (C) 2016 Elsevier Ltd. All rights reserved.
机译：为了加深对货运可靠性（VOR）值的理解，本文对现有研究进行了全面回顾。这项研究的重点是各种研究采用的可靠性度量，建模可靠性评估模型的理论和数学基础以及影响该值的影响因素。由于VOR分析中的几乎所有研究都采用了陈述偏好（SP）调查，并且调查设计直接影响研究要素和建模方法，因此该综合密切关注各个调查设计组件。通过对现有研究的比较分析，本文旨在阐明导致VOR估算变化的潜在因素。结果表明，从一项研究到另一项研究，估计的VOR值差异很大。可能是由于使用了不同的单位，可靠性措施和调查设计方法。这项审查显示了研究货运用户的VOR时面临的复杂性和挑战。数据不足也被认为是对理解货运业如何评价行程时间可靠性的主要障碍。此外，VOR值的巨大差异表明需要在这一领域进行进一步的研究。 （C）2016 Elsevier Ltd.保留所有权利。

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  • 来源
    《Transportation Research》 |2017年第8期|228-243|共16页
  • 作者

    Shams Kollol; Asgari Hamidreza; Jin Xia;

  • 作者单位

    Florida Int Univ, Dept Civil & Environm Engn, 10555 W Flagler St,EC 3725, Miami, FL 33174 USA;

    Florida Int Univ, Dept Civil & Environm Engn, 10555 W Flagler St,EC 3725, Miami, FL 33174 USA;

    Florida Int Univ, Dept Civil & Environm Engn, 10555 W Flagler St,EC 3603, Miami, FL 33174 USA;

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