青海地处青藏高原,有“世界屋脊”之称,境内除东部农业区外,其余地区海拔均在3000米以上,境内分布众多高原野生动植物和独具高原特色的雪山、草地。近几年来,随着西部大开发的实施和青藏铁路的全线开通,青海的公路建设力度逐年加大,高原生态环境面临严峻考验,如何做好公路设计 Qinghai is located in the Qinghai-Tibet Plateau, the “roof of the world,” said the territory of the eastern agricultural areas in addition to the rest of the area above 3,000 meters above sea level, the distribution of a large number of plateau wildlife and unique snow-capped mountains and grasslands of the plateau. In recent years, with the implementation of the large-scale development of the western region and the opening of the Qinghai-Tibet Railway, the intensity of highway construction in Qinghai has been increasing year by year. The ecological environment in the plateau is facing a severe test and how to do well in highway design