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Examining the Speed Reduction Characteristics of Urban Residential Streets in the Upstream Side of Speed Humps

机译：检查减速带上游侧城市住宅街道的减速特性

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The speed humps can reduce vehicle speed at hump location effectively. However, practitioners require to understand comprehensively the speed reduction mechanism of a single hump in case of a long road section. Therefore, the present study is designed to investigate the external geometric and non-geometric factors, associated with speed reduction in the upstream of humps. A total of 500-speed data were collected from 7 different residential streets in Japan. Using multiple linear regression analysis, various road geometric features were found as significant predictors for speed reduction i.e., street marking, road width, two-way traffic, presence of the sidewalk, etc. A non-geometric factor named “street with many pedestrians” also found significant. The findings of this study can help practitioners to find out the optimum placement of a single hump along the road section. Furthermore, the speed at the upstream of hump can also be predicted before installation, by using the developed models.
机译：驼峰可以有效地降低驼峰位置的车速。但是，从业者需要全面了解在长路段情况下单个驼峰的减速机制。因此，本研究旨在研究与驼峰上游速度降低相关的外部几何和非几何因素。从日本的7条不同的住宅街道收集了总共500速的数据。使用多元线性回归分析，发现各种道路几何特征可以作为降低速度的重要预测指标，例如，街道标记，道路宽度，双向交通，人行道的存在等。一个名为“有许多行人的街道”的非几何因素也发现意义重大。这项研究的结果可以帮助从业人员找出沿路段单个驼峰的最佳位置。此外，通过使用开发的模型，还可以在安装之前预测驼峰上游的速度。

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