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首页> 外文期刊>IMSA Journal >Evaluation of In-Pavement, Flashing Warning Lights on Pedestrian Crosswalk Safety
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Evaluation of In-Pavement, Flashing Warning Lights on Pedestrian Crosswalk Safety

机译：人行横道安全对行人路，闪烁警示灯的评估

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Collisions involving pedestrians in crosswalks commonly result in fatalities. In-pavement flashing warning lights have been proposed as a means of increasing the conspicuity of pedestrians in crosswalks. However these warning light systems are more expensive to install than conventional striping. This report describes work undertaken to determine the relative effects on pedestrian and driver behavior of high visibility marking and an in-pavement flashing warning light system installed on a crosswalk site in Denville, New Jersey. Comparisons of the same crosswalk before and after striping and after installation of the in-pavement flashing warning lights enable the relative benefits of these actions to be determined. From the data collected it is concluded that high visibility marking of a crosswalk enhances the noticeability of the crosswalk and reduces conflicts between pedestrians and vehicles but does not reduce the mean speed at which vehicles approach the crosswalk or the mean number of vehicles passing over the crosswalk while a pedestrian is waiting to cross. Adding an in-pavement flashing warning light system to a crosswalk that is already clearly striped further enhances the noticeability of the crosswalk, reduces the mean speed at which vehicles approach the crosswalk, and reduces the mean number of vehicles that pass over the crosswalk while a pedestrian is waiting. However, it was also observed that the impacts of adding an in-pavement flashing warning light system to a crosswalk that is already clearly striped tends to diminish over time. The experimental procedure, collected data and observations, and recommendations for the future use of in-pavement flashing warning light signals at crosswalks are presented.
机译：人行横道中涉及行人的碰撞通常会导致死亡。有人建议在行人路旁闪烁的警示灯作为增加人行横道行人知名度的一种手段。但是，这些警告灯系统的安装成本比常规条纹灯昂贵。本报告介绍了为确定高能见度标记和在新泽西州丹维尔的人行横道现场安装的人行道上闪烁的警示灯系统对行人和驾驶员行为的相对影响而进行的工作。在剥离前和剥离后以及安装路面内闪烁警告灯之后比较同一人行横道，可以确定这些操作的相对利益。从收集到的数据可以得出结论，人行横道的高可见度标记可以提高人行横道的醒目性，并减少行人与车辆之间的冲突，但不会降低车辆接近人行横道的平均速度或通过人行横道的平均车辆数量当一个行人正在等待过马路时。在已经明显条纹的人行横道上增加路面闪烁的警示灯系统，进一步提高了人行横道的醒目性，降低了车辆接近人行横道的平均速度，并减少了在人行横道上经过人行横道的车辆的平均数量。行人正在等待。但是，还可以观察到，向已经清晰条纹的人行横道添加行人闪光灯警告灯系统的影响会随着时间的流逝而逐渐减少。介绍了实验程序，收集的数据和观察结果，以及在人行横道上将来使用路面闪烁警示灯信号的建议。

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