文章介绍龙瑞高速公路双坡垭口段在勘察设计过程中路线方案选择的原则和总体思路,对项目沿线自然生态、水资源、施工保通、滑坡等敏感点采取积极主动的绕避方案,并对山区高速公路连续长大下坡路段的路线方案做重点选择和研究,提出8字形展线方案。 This article introduces the principle and overall train of thought of the route selection during the investigation and design of Shuangpo Pass section of Longrui Expressway and adopts a proactive circumvention plan to control the sensitive points such as natural ecology, water resources, construction maintenance, landslide and so on Focusing on the selection and research of the route scheme for the continuous growth of downhill sections of the mountainous expressway, the 8-shaped line plan is proposed.