张强 陈雨人

摘　要:

在高等级公路中，绿化与安全的关系问题越来越为人们所重视。绿化一方面可以改善公路的交通安全状况；另一方面也会带来一些安全隐患。本文论述了绿化的视线诱导、线形预告、消除紧张、明暗过渡、缓冲栽植等作用，同时也分析了公路绿化中存在的影响视线、侵占道路、加重事故后果、造成眩目、视觉污染、视线误导等影响安全的问题，最后提出了符合交通安全要求的公路绿化基本方法。[著者文摘]

关键词: 高等级公路 绿化 安全

Analysis of Relations Between Planting and Safety ofHigh-Type Highways

ZHANG Qiang, CHEN Yu-ren

Abstract:

Nowadays, people pay more and more attention to the relations between theplanting and the safety of high-type highways. On the one hand the highwayplanting can ensure the road safety; on the other hand, the planting may causeroad accidents. In this paper, planting for visual guidance, alignmentforetold, nervousness dispelled, transition between brightness and dullness andbuffer planting are discussed. Then, some issues influencing safety in highwayplanting are analyzed, such as visual intrusion, encroaching into roadclearance, aggravating accident, causing dazzle, visual pollution, visualmisdirection and so on. Last, the planting methods based on the road safety aregiven.

Key words:

high-type highway; planting; safety