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首页> 外文期刊>Promet-traffic & transportation >THE IMPACT OF TRAFFIC SIGN QUALITY ON THE FREQUENCY OF TRAFFIC ACCIDENTS
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THE IMPACT OF TRAFFIC SIGN QUALITY ON THE FREQUENCY OF TRAFFIC ACCIDENTS

机译：交通标志质量对交通事故发生频率的影响

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摘要

As part of an overall traffic signalling system, traffic signs warn the traffic participants, give information about the restrictions, prohibitions and obligations and provide additional information needed for a safe and undisturbed traffic How. The traffic sign quality is expressed by its retroreflection and it is particularly pronounced in conditions of reduced visibility. The aim of this paper is to analyse how traffic signs quality affects the frequency of traffic accidents in low visibility conditions. For this purpose, traffic accidents and the quality of traffic signs were analysed on 130 state roads in the Republic of Croatia between 2013 and 2015. In the analysis several variables were used: the number of traffic accidents occurred under reduced visibility conditions, length of the road, AADT (Annua! Average Daily Traffic) and the number of traffic signs that do not meet the minimum prescribed values of retroreflection. Statistical analysis showed a positive correlation between the accidents and unsatisfactory traffic signs, i.e. that with the increase in the number of traffic sings that do not have a satisfactory level of retroreflection, an increase in the number of accidents in reduced visibility conditions is expected.
机译：作为整个交通信号系统的一部分，交通标志会警告交通参与者，提供有关限制，禁止和义务的信息，并提供安全无干扰的交通所需的其他信息。交通标志的质量由其回射来表示，在可见度降低的情况下尤其明显。本文的目的是分析在低能见度条件下交通标志的质量如何影响交通事故的发生频率。为此，在2013年至2015年间，对克罗地亚共和国境内130条国道上的交通事故和交通标志的质量进行了分析。分析中使用了多个变量：在能见度降低的条件下发生的交通事故数量，道路，AADT（平均每日交通量）和不符合最低规定的回射值的交通标志的数量。统计分析表明，事故与交通标志不令人满意之间存在正相关关系，即随着不具有令人满意的回射水平的交通信号数量的增加，在能见度降低的情况下事故的数量有望增加。

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