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The Influences of Intersection Roadway Characteristics on Pedestrian-Vehicle Collisions.

机译:交叉口巷道特征对人车碰撞的影响。

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摘要

In dense urban areas, collisions involving pedestrians and vehicles present a significant challenge for public health. Achieving pedestrian safety is complicated because countless intersection roadway characteristics---traffic control devices, roadway geometry, and sociodemographic and behavioral decision-making---can influence pedestrian-vehicle collisions (PVCs). In the past, studies have examined influences of multiple roadway, sociodemographic, and built environment factors on PVCs. Few studies, however, specifically examine relationships, 'at' or 'near' intersections, where pedestrian collisions frequently occur. This study measures the influences of multiple intersection roadway characteristics---including various built environment, traffic control devices, and sociodemographic descriptors of neighborhoods surrounding the intersection sites---on pedestrian-vehicle collisions (PVCs) in Washington D.C. from 2010 to 2014.;Using collision and roadway attribute data sets obtained from the Metropolitan Police Department of the District of Columbia, the District Department of Transportation, and the U.S. Census, this study consisted of four stages of analysis: 1. archival review of all PVCs, 2. spatial mapping, 3. negative binomial regression modeling, and 4. field observations of seven intersections with the highest number of PVCs over pedestrian demand index (PDI). Findings include some significant relationships between multiple intersection roadway characteristics and PVCs. Based on the findings of this analysis, some countermeasures---such as updating the PDI annually, extending the sidewalks, and increasing the number of streetlights, area of sidewalk, and raised crosswalks---are recommended to enhance pedestrian safety at roadway intersections.
机译:在人口稠密的城市地区,涉及行人和车辆的碰撞对公共卫生提出了重大挑战。实现行人安全非常复杂,因为无数交叉路口的道路特征(交通控制设备,道路几何形状以及社会人口统计学和行为决策)会影响人车碰撞(PVC)。过去,研究检查了多条道路,社会人口统计学和建筑环境因素对PVC的影响。但是,很少有研究专门研究经常发生行人碰撞的“在”或“近”交叉口的关系。这项研究测量了多个交叉路口道路的特征-包括各种建筑环境,交通控制设备和交叉路口周围社区的社会人口学特征-对2010年至2014年华盛顿特区的行人车辆碰撞(PVC)的影响。 ;使用从哥伦比亚特区大都会警察局,交通部和美国人口普查获得的碰撞和道路属性数据集,该研究包括四个分析阶段:1.所有PVC的档案审查; 2。空间映射; 3。负二项式回归建模; 4。在行人需求指数(PDI)上,PVC数量最多的七个路口的实地观察。研究结果包括多个路口巷道特征与PVC之间的一些重要关系。根据分析的结果,建议采取一些对策(例如,每年更新PDI,延长人行道,增加路灯数量,人行道面积和高架人行横道),以提高道路交叉口的行人安全性。

著录项

  • 作者

    Kim, Jasmin Y.;

  • 作者单位

    University of California, Los Angeles.;

  • 授予单位 University of California, Los Angeles.;
  • 学科 Transportation.;Public health.;Urban planning.
  • 学位 M.U.R.P.
  • 年度 2016
  • 页码 198 p.
  • 总页数 198
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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