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Passing Bays for Slow Moving Vehicles on Rural Two-lane Roads

机译：农村两车道公路上的慢速行驶车辆通行证

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摘要

Slow-moving vehicles, including agricultural vehicles, on arterial highways can cause serious delays to other traffic as well as posing an extra safety risk. This paper elaborates on a small-scale solution for these problems: the passing bay. It investigates the impacts of a passing bay on the total delay for other motorized vehicles, the number of passing manoeuvres and hindered vehicles, and the mean delay per hindered vehicle. The latter is also considered to be an indicator for traffic safety. The calculations are performed for two characteristic trips with a slow-moving vehicle. The passing bay is an effective solution to reducing delays on arterial highways when two-way hourly volumes exceed 600-1000 vehicles. The effects depend on the trip length and speed of the slow-moving vehicle, and on the passing sight distance limitations of the road. A distance of 2-4 km between the passing bays seems an acceptable compromise between the reduction of delay for other motorized vehicles and the extra discomfort and delay for drivers of slow-moving vehicles. This result also shows that passing bays are not effective in regions where slow-moving vehicles mainly make trips shorter than this distance.
机译：在高速公路上行驶缓慢的车辆，包括农用车辆，可能会严重延误其他交通，并带来额外的安全风险。本文详细阐述了针对这些问题的小规模解决方案：过客区。它研究了过境区对其他机动车辆的总延误，过境机动和受阻车辆的数量以及每辆受阻车辆的平均延误的影响。后者也被认为是交通安全的指标。该计算是针对慢速行驶的车辆的两次特征行程执行的。当双向通行时速超过600-1000辆时，过客区是减少主干道延误的有效解决方案。影响取决于慢行车辆的行程长度和速度，以及道路的通过视距限制。通行的车厢之间的距离为2-4公里，这似乎是在减少其他机动车辆的延误与慢行车辆驾驶员的额外不适和延误之间达成的折衷方案。该结果还表明，在缓慢行驶的车辆主要使行程短于该距离的区域，过站区无效。

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