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Development of composite road environment safety index

机译：综合道路环境安全指标的编制

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摘要

This study aims to develop a road safety index that combines selected road environmental characteristics in Malaysia. Firstly, 14 indicators that generally portray the Malaysian road environments were selected. Then, the final list of specific indicators for each road network was developed. The indicators were derived based on the specific criteria such as the objectives, method of measurement, quality, and expected outcomes of the indicators that may improve the overall road safety of the Malaysian trunk roads. The Malaysian Federal Road 12 was selected as the study area to assess the applicability of the theory. By employing the principal component analysis, four components were obtained and from the statistical weightage of the indicator in each component, the composite indexes were calculated. The results showed that the sections with low number of reported crashes were not necessarily safe for road users. Instead, poor road environment conditions may be highly hazardous to road users. The presence of heavy vehicles and motorcycles was found to be the main risk factor of crash occurrences on this road. Overall, the crash data may be supplemented with another proactive method in order to get a broader picture of the poor road sections.
机译：这项研究的目的是制定结合马来西亚选定道路环境特征的道路安全指数。首先，选择了14个总体反映马来西亚道路环境的指标。然后，制定了每个公路网的具体指标的最终清单。指标是根据特定标准得出的，例如目标，测量方法，质量和指标的预期结果，这些指标可能会改善马来西亚主干道路的总体道路安全。马来西亚联邦路12号被选为研究区域，以评估该理论的适用性。通过主成分分析，得到四种成分，并从各成分指标的统计权重中计算出综合指标。结果表明，报告的撞车事故发生率较低的路段不一定对道路使用者安全。相反，恶劣的道路环境条件可能会对道路使用者造成极大的危害。发现重型车辆和摩托车的存在是这条道路上发生撞车事故的主要危险因素。总体而言，可以使用另一种主动方法对碰撞数据进行补充，以便更全面地了解不良路段。

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  • 作者

    H. Hussain; M. R. Intan Suhana; T. H. Law; M. S. Ahmad Farhan;

  • 作者单位

    Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;

    Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia, Selangor, Malaysia,Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang, Pahang, Malaysia;

    Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia, Selangor, Malaysia;

    School of Civil Engineering, Universiti Sains Malaysia, Seberang Perai Selatan, Pulau Pinang, Malaysia;

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  • 正文语种 eng
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  • 关键词

    crash data; road safety ranking; composite road environment; road section;

    机译：崩溃数据;道路安全等级;复合道路环境;路段;

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