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相关概念视频

Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

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The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
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全网范围的道路事故风险选:一个新的框架.

Michela Bonera1, Benedetto Barabino2, George Yannis3

  • 1Ufficio Studi, Ricerca e Sviluppo - Brescia Mobilità S.p.A., Brescia, Italy.

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概括

这项研究引入了一个主动道路安全分析的新框架. 它通过整合概率,脆弱性和暴露来量化碰撞风险,使当局能够识别和优先考虑关键道路段.

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碰撞的暴露 碰撞的暴露崩的可能性概率.碰撞严重程度的严重程度.网络范围内的选.交通事故的风险 交通事故的风险道路基础设施安全管理

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科学领域:

  • 运输工程 运输工程
  • 道路安全管理 道路安全管理
  • 风险评估 风险评估

背景情况:

  • 全网范围的道路事故风险选对全球道路安全当局至关重要.
  • 积极的选方法在事故发生之前识别关键路段是非常有益的.
  • 现有的研究缺乏全面量化道路网络碰撞风险,同时考虑概率,脆弱性和暴露.

研究的目的:

  • 开发和验证一种用于量化和选道路网络事故风险的新型框架.
  • 整合道路安全因素,预测模型和基于风险的方法来进行全面的风险评估.
  • 为道路安全当局提供一个工具,以便主动识别高风险道路段.

主要方法:

  • 开发了一个整合道路安全因素,预测模型和基于风险的方法的框架.
  • 基于事故发生概率,严重程度和暴露的每个道路段的计算风险值.
  • 通过使用现实数据,将道路段排名和分类为五级风险级别.

主要成果:

  • 成功地集成了基底地图数据,上下文信息,交通数据和五年的事故记录.
  • 证明了框架在非城市网络上识别关键路段的能力.
  • 根据其量化碰撞风险生成了道路段的排名列表.

结论:

  • 拟议的框架为道路安全当局在确定关键道路段时提供了有效的支持.
  • 它可以确定干预的优先级,并有可能改善道路安全绩效.
  • 该框架旨在纳入现有安全管理系统.