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首页> 外文期刊>Transportation research >Effects of route guidance variable message signs (VMS) on driver behaviour
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Effects of route guidance variable message signs (VMS) on driver behaviour

机译：路线指引可变信息标志（VMS）对驾驶员行为的影响

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摘要

Effects of route guidance Variable Message Signs (VMS) on speed and route choice were investigated in a field study on two sites on motorways. Two VMS were used in the study, which displayed information about a closed road section downstream on the motorways and recommendations for alternative routes. Route choice, speed and braking behaviour were compared between vehicles approaching the VMS while they displayed messages and while they were left blank without message. There was high compliance with the messages on the VMS. About every fifth vehicle changed route choice according to the recommendation, and almost none drove as far as the closed road section. Speed measurements of 3342 vehicles showed large speed reductions, and video observations showed that large proportions of vehicles braked while approaching the VMS. The speed reductions and braking manoeuvres can partly be attributed to attention overload or distraction due to the information on the VMS. However, a proportion of the speed reductions was due to chain reactions where one vehicle braked and forced the following vehicles to brake or change lanes in order to avoid collisions. Safety problems may result directly from distraction, or indirectly from the reactions of the drivers to the distraction.
机译：在高速公路上两个站点的现场研究中，研究了路线引导可变消息符号（VMS）对速度和路线选择的影响。研究中使用了两个VMS，它们显示了高速公路下游封闭路段的信息以及替代路线的建议。比较了接近VMS的车辆在显示消息时和空白时不显示消息的路线选择，速度和制动行为。 VMS上的消息高度合规。大约有五分之一的车辆根据建议更改了路线选择，几乎没有人行驶到封闭的路段。对3342辆车的速度测量显示出大幅度的减速，并且视频观察显示，接近VMS时有很大比例的车辆制动。由于VMS上的信息，减速和制动动作可能部分归因于注意力超负荷或注意力分散。然而，减速的一部分是由于连锁反应，其中一辆车辆制动并迫使随后的车辆制动或改变车道，以避免发生碰撞。安全问题可能直接由分心引起，也可能由驾驶员对分心的反应间接引起。

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