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首页> 外文期刊>Journal of Safety Engineering >Evaluation of Safety Surrogates of Traffic Enforcement at Signalized Intersections
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Evaluation of Safety Surrogates of Traffic Enforcement at Signalized Intersections

机译：信号交叉口交通执法安全代理评估

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摘要

Engineering solutions are often employed at intersections to improve pedestrian and bicyclists’ safety. Studies conducted have shown that some of such solutions provide marginal to modest safety improvements. It is envisioned that enforcement at intersections, coupled with engineering solutions, could potentially provide substantial improvement in pedestrian and bicyclists’ safety. This study presents the results of an enforcement program at 4 intersections on a corridor in order to improve motorists’ compliance thereby improving safety at intersections. The evaluation focused on the behavioral impact of the enforcement on pedestrians, drivers, and bicyclists using surrogate variables. Prior to the implementation of the enforcement, drivers, pedestrians, and bicyclists behaviors were recorded at 4 selected intersections. Approximately 2 weeks after the implementation of the enforcement program, the same was recorded at the intersections. A statistical comparison of the surrogate variables was conducted to gauge the impact of the enforcement, at 5% level of significance. From the results, the enforcement led to 50% - 100% compliance of no right-turns on red. Pedestrian-vehicle conflicts were also reduced post implementation of the enforcement program by approximately 50% - 66%.
机译：十字路口经常采用工程解决方案，以提高行人和骑车人的安全。进行的研究表明，此类解决方案中的某些解决方案对安全性的适度改进仅提供了少量的支持。可以预见，交叉路口的执法加上工程解决方案可能会大大改善行人和骑车人的安全。这项研究提出了在走廊上四个交叉路口实施执法计划的结果，以提高驾驶员的依从性，从而提高交叉路口的安全性。评估集中在使用替代变量对执法对行人，驾驶员和骑自行车者的行为影响上。在实施执法之前，在四个选定的十字路口记录了驾驶员，行人和骑车人的行为。实施执法计划大约2周后，在十字路口记录了同样的情况。对替代变量进行统计比较以评估强制执行的影响，显着性水平为5％。从结果来看，强制执行导致50％-100％的合规性，没有右转红灯。执行计划实施后，行人与车辆之间的冲突也减少了约50％-66％。

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