Several Principles of Route Selection for Anshun-Puan Section of High-speed Railway

Railway route selection is the most fundamental and important work in railway design, which is the overall work affecting the whole. Based on the briefly analysis of the influencing factors and several main principles of the high-speed railway route selection and combination of the route selection of Anshun-Puan section on Changsha-Kunming PDL, and the route selection principles of the environmental route selection, geological route selection, major engineering priority select location and adhere to complex optimal and so on, this article explores the technology of route selection of high-speed railway in the dangerous difficult mountainous areas.