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公路绿化是绿化祖国,实现大地园林化的组成部分。它是公路修建竣工后的最后一道必不可少的工序,是公路养护中的一项重要的内容。公路两旁如栽植各种乔木(或灌木丛),为国家积累森林财富,增强沿路空间艺术色彩,改善道路景观,创造优美的环境,使旅游者心旷神怡。对整个环境起到了调节气候的生态平衡作用。行道树的盘根错节还能巩固路基、稳定边坡、保护路面、防止水土流失。冠大荫浓可遮光散热,减轻沥青路面软化与老化,减少龟裂。还能减免尘土飞扬,
Highway greening is greening the motherland, the realization of the earth garden part. It is an indispensable process after the completion of highway construction and is an important part of highway maintenance. On both sides of the road, planting various kinds of trees (or shrubs), accumulating forest wealth for the country, enhancing artistic space along the road space, improving the road landscape, creating a beautiful environment, so that tourists feel good. The entire environment played a role in regulating the ecological balance of the climate. Roadside tree packing can also consolidate subgrade, stabilize the slope, protect the road and prevent soil erosion. Crown shade can shade strong heat, reduce softening and aging of asphalt pavement, reduce cracking. But also reduce the dusty,