Technologies of ecological protection of the slopes besides the main roads in Changsha, China were investigated. The investigation demonstrated that the protection technologies included protections by planting vegetations, planting grass in geotechnical grids or gridiron structure, establishing three-dimension vegetative nets, and multiple combinations of different measures. The technologies above mentioned were reviewed from the aspects of distribution, adaptive range, vegetation species, and advantages &. disadvantages. Measures for improvement and related suggestions were put forward.%以长沙市市区公路主干线的边坡为研究对象,对公路边坡生态防护技术现状进行了调查研究.结果表明,长沙市公路边坡生态防护技术主要有植物护坡、土工格室植草护坡、框格结构植草护坡、三维植被网护坡、多种护坡技术结合等,指出其分布、适用范围、常用的绿化植物种类及优缺点.在此基础上提出对应的改善措施及建议.
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