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首页> 外文期刊>Transportation Research. f, Traffic Psychology and Behaviour >In-vehicle information systems to improve traffic safety in road tunnels
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In-vehicle information systems to improve traffic safety in road tunnels

机译：车载信息系统可改善公路隧道的交通安全

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Introduction: In-vehicle information systems can improve safety, improve driver's situational awareness and reduce anxiety, but they may also increase mental workload and distraction. This issue is particularly important in road tunnels because they create extremely dangerous driving conditions. Goals: To evaluate the effect of in-vehicle displays on driving safety in road tunnels, this paper address two questions: (1) can we still add information to in-vehicle displays without compromising safety? and (2) if information can still be added, how much information should added? Method: We simulated tunnel driving and evaluated the effects of driving performance with innovative in-vehicle displays in terms of safety and satisfaction. We compared a highly informative display and a minimal information display with driving without a display as a control. Results: Using the displays, drivers improved their speed control but had some difficulty in maintaining lane stability, apparently due to some distraction imposed by the displays. Yet, neither of them increased the mental workload relative to driving without a display. The drivers found the in-vehicle displays useful and responded well to the presented information. The drivers preferred the more informative display to the minimalist display, although it slightly increased distraction from road. Conclusions: In light of the potential benefits of in-vehicle displays, the level of distraction was relatively minor and should not compromise driving safety. Apparently, the highly informative display provided drivers with more information that reduced anxiety and boredom, which are common psychological experiences during tunnel driving. Thus, safety-related information displays can be added to improve safety even when some of their benefits are offset by increased distraction.
机译：简介：车载信息系统可以提高安全性，提高驾驶员的态势意识并减轻焦虑，但它们也可能增加精神工作量和注意力分散。这个问题在公路隧道中尤为重要，因为它们会产生极其危险的驾驶条件。目标：为了评估车载显示器对公路隧道行车安全的影响，本文提出了两个问题：（1）我们仍可以在不损害安全性的前提下向车载显示器添加信息吗？ （2）如果仍然可以添加信息，应该添加多少信息？方法：我们模拟了隧道行驶，并通过创新的车载显示器从安全性和满意度方面评估了行驶性能的影响。我们将高信息量的显示和最少的信息显示与无显示的驾驶进行了比较。结果：使用显示器，驾驶员改善了速度控制，但在保持车道稳定性方面有些困难，这显然是由于显示器造成的干扰。然而，相对于没有显示屏的驾驶，他们都没有增加精神工作量。驾驶员发现车载显示器很有用，并且对显示的信息反应良好。驾驶员更喜欢信息丰富的显示，而不是简约的显示，尽管它稍微增加了对道路的干扰。结论：鉴于车载显示器的潜在好处，分散注意力的程度相对较小，不应损害行车安全。显然，信息丰富的显示屏为驾驶员提供了更多信息，可减少焦虑和无聊，这是隧道驾驶中常见的心理体验。因此，即使增加了分心，也可以添加安全相关的信息显示以提高安全性。

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