宜常高铁湖南段开工建设

Core Viewpoint - The construction of the Yichang to Changde High-Speed Railway (Yichang-Changde High-Speed Rail) in Hunan officially commenced on December 26, marking a significant development in China's high-speed rail network [1][3]. Group 1: Project Overview - The Yichang-Changde High-Speed Rail is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, specifically the Hunan passage [3]. - The railway will connect Yichang North Station on the Huhuo Railway and extend southward into Hunan, covering a total length of 185.741 kilometers, with the Hunan section measuring 98.466 kilometers [3]. - The construction period for the project is set at four years, with a designed speed of 350 kilometers per hour [3]. Group 2: Infrastructure and Engineering - The railway will feature three stations in Hunan, including the newly built Li County Station and Linli East Station, as well as the existing Changde Station [3]. - The project will traverse complex terrains, with bridges and tunnels accounting for 72% of the total length; key engineering challenges include the Li County Li River Super Bridge and the Linli Daoshui Super Bridge [3]. Group 3: Economic and Social Impact - Upon completion, the Yichang-Changde High-Speed Rail will enhance the railway network structure in Central China, significantly improving travel convenience for local residents [3]. - The project is expected to promote economic and social development along the route and support the implementation of the Central China Rise strategy [3].