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首页> 外文期刊>Transport Reviews >In search of surrogate safety indicators for vulnerable road users: a review of surrogate safety indicators
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In search of surrogate safety indicators for vulnerable road users: a review of surrogate safety indicators

机译：寻找弱势道路使用者的代理安全指标：审查代理安全指标

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摘要

Surrogate indicators are meant to be alternatives or complements of safety analyses based on accident records. These indicators are used to study critical traffic events that occur more frequently, making such incidents easier to analyse. This article provides an overview of existing surrogate indicators and specifically focuses on their merit for the analyses of vulnerable road users and the extent to which they have been validated by previous research. Each indicator is evaluated based on its ability to consider the collision risk, which can be further divided into the initial conditions of an event, the magnitude of any evasive action and the injury risk in any traffic event. The results show that various indicators and their combinations can reflect different aspects of any traffic event. However, no existing indicator seems to capture all aspects. Various studies have also focused on the validity of different indicators. However, due to the use of diverse approaches to validation, the large difference in how many locations were investigated and variations in the duration of observation at each location, it is difficult to compare and discuss the validity of the different surrogate safety indicators. Since no current indicator can properly reflect all the important aspects underlined in this article, the authors suggest that the choice of a suitable indicator in future surrogate safety studies should be made with considerations of the context-dependent suitability of the respective indicator.
机译：替代指标本意味着基于事故记录的安全分析的替代品或补充。这些指标用于研究更频繁发生的关键交通事件，使此类事件更易于分析。本文概述了现有的代理指标，并专门关注其对脆弱的道路用户分析的优点以及以前的研究验证的程度。根据其考虑碰撞风险的能力来评估每个指标，这可以进一步分为事件的初始条件，任何交通事件中任何回应行动和伤害风险的大小。结果表明，各种指标及其组合可以反映任何交通事件的不同方面。但是，没有现有的指标似乎捕获了所有方面。各种研究还集中于不同指标的有效性。然而，由于使用不同的方法来验证，研究了多少个位置的巨大差异和在每个位置观察持续时间变化，很难比较和讨论不同代理安全指标的有效性。由于没有当前指标可以正确反映本文中强调的所有重要方面，因此应考虑到各自指标的上下文适用性，考虑到未来代理安全研究中的合适指标的选择。

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