摘要
高等级公路设计中,视距问题是道路安全中很重要的一部分。该文针对高等级道路行车速度高的特点,指出现行设计方法中视距取值存在的间题,并在分析驾驶员视觉特性的基础上,提出我国高等级道路设计中视距取值的依据。
The issue of sight distance is a very important part of road safety in the design of high grade highways.Aiming at the characteristics of high driving speed in the high grade highways,the article points out the problems existing in the valuing of sight distance in the current design method,puts forward the basis to value the sight distance in the design of high grade highways in China based on analyzing the sight character of the drivers.
出处
《城市道桥与防洪》
2011年第10期11-12,17,共3页
Urban Roads Bridges & Flood Control
关键词
高等级道路
几何设计
视距
安全
high grade road,geometric design,sight distance,safety
