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The Influence of Road Lighting on Safety at Crossings

机译：道路照明对人行横道安全性的影响

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An understanding of the effects of road lighting on road safety at night is important for improving traffic safety management. Many researchers have explored various ways to discover the relationship between lighting and level of safety. However, most of the research approaches require long-term crash data, which is not available in many cases. In addition, most of the previous studies focused on the influence of entire road segments. The influence of road lighting on critical sites, such as crossings, has rarely been investigated. In light of this, a difference-indifference model was applied in this study to evaluate the impacts of road lighting at crossings at night. A dummy variable was defined to represent the rate of speed variation. The difference of can represent the impact of road lighting on safety. The model was applied using field data collected from four road segments in Nanjing, Jiangsu Province, China. The results show that the impact of road lighting on road safety at critical sites is significant. The lack of road lighting may increase the driving speed variation rate, which in turn can increase the risk of road crashes.
机译：了解道路照明对夜间道路安全的影响对于改善交通安全管理非常重要。许多研究人员探索了各种方法来发现照明与安全等级之间的关系。但是，大多数研究方法都需要长期的碰撞数据，这在许多情况下是不可用的。此外，以前的大多数研究都集中在整个路段的影响上。很少研究道路照明对关键地点（如人行横道）的影响。有鉴于此，在这项研究中应用了差异差异模型来评估夜间交叉口道路照明的影响。定义了一个虚拟变量来表示速度变化率。的不同可以代表道路照明对安全性的影响。该模型是使用从中国江苏省南京市四个路段收集的现场数据应用的。结果表明，道路照明对关键地点的道路安全有重大影响。缺乏道路照明可能会增加行驶速度变化率，进而增加道路交通事故的风险。

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