在交叉路口水平能见度的背景下的道路安全分析-实地研究

Natalia Brycht
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引用次数: 3

摘要

充足的能见度是影响道路安全的重要因素之一。本文分析了十字路口的水平能见度。能见度条件取决于许多因素,主要取决于道路要素的几何参数以及道路附近的建筑物、围栏、植被等的位置。研究中提出的研究目的是确定水平能见度的现状,以22个十字路口为例,这些十字路口主要位于Czestochowa附近的一条省道沿线的建筑农村地区。采用卫星照片分析和目视分析两种方法进行了研究,并对研究结果进行了比较。安全级别的评估是根据适用的法规和技术准则进行的。研究发现,仅基于地图和卫星照片分析的能见度评估结果在许多情况下被高估了,因为许多照片中不可见的小元素没有被考虑在内,而且在能见度范围内出现了凸出的垂直路拱。然而,许多交叉口能见度不足的主要原因是过去在交通条件完全不同的情况下形成的道路及其周围的几何参数。会议还指出,道路管理人员认识到这一问题,并采取措施加强道路交叉路口的安全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Road Safety in the Context of Horizontal Visibility Within Intersections – Field Studies
Abstract One of the important factors on which road safety depends is adequate visibility. This article analyses horizontal visibility within road intersections. The visibility condition depends on many factors, primarily on the geometric parameters of road elements and the location of buildings, fences, vegetation etc., neighboring the road. The aim of the research presented in the study was to determine the current condition of horizontal visibility, on the example of twenty two intersections located mostly in built-up rural area along a provincial road near Czestochowa. The research was carried out by two methods (the analysis of satellite photographs and the visual method) and the obtained results were compared. The assessment of the security level was based on applicable regulations and technical guidelines. It was found that the results of the visibility assessment based only on the analysis of maps and satellite photographs are in many cases overestimated, due to the fact that many small elements not visible in the photographs are not taken into account and the occurrence of convex vertical road arches within the field of visibility. However, the main reason for the insufficient visibility at the many intersections is the fact that the geometrical parameters of roads and their surroundings were shaped in the past when the traffic conditions were completely different. It was also noted that road managers perceive this problem and take measures to increase safety within road intersections.
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