Abstract: According to the concrete instance of approach tree-planting engineering of Humen Bridge on Guangzhou-Shenzhen-Zhuhai Expressway, the auther summarizes the process, the principles, and the basic train of thoughts of approach tree-planting of Humen Bridge on the basis of theory analysis, and gives a rather complete account of the function of tree -planting on expressways. It is hoped that the info rmation can be used as reference for the tree-planting on expressways in the future.

Key words: tree-planting on highway, Humen Bridge, technological, method of tree-planting

摘要： 根据广深珠高速公路虎门大桥引道绿化工程实践, 总结了虎门大桥引道绿化的流程、基本思路和原则, 并对高速公路绿化的作用作了较为全面的论述, 为高速公路绿化提供一些有益的参考.

关键词: 公路绿化, 虎门大桥, 流程, 绿化方法