China’s most crucial east-west transportation artery is coming! Recently, the National Development and Reform Commission officially approved the full-route construction plan for the Yangtze River High-Speed Railway Corridor (Shanghai to Chengdu), marking the imminent launch of this high-speed rail line that spans eastern, central, and western China. Stretching approximately 2,100 kilometers with a design speed of 350 km/h, the corridor connects three major urban clusters: the Yangtze River Delta, Central Yangtze Region, and Chengdu-Chongqing Economic Circle, covering provinces and municipalities including Shanghai, Jiangsu, Anhui, Hubei, Chongqing, and Sichuan. As a key component of China’s “Eight Vertical and Eight Horizontal” high-speed rail network outlined in the Medium- and Long-Term Railway Network Plan, the Yangtze River HSR will significantly reduce travel time between east and west—cutting the Shanghai–Chengdu journey to under seven hours—and enhance coordinated development across the Yangtze River Economic Belt by facilitating efficient flows of industries, talent, and resources. Crucially, it will also alleviate capacity constraints on the existing Shanghai–Wuhan–Chengdu railway and strengthen the resilience of China’s integrated national transport system. This east-west artery represents not only a vital piece of China’s high-speed rail puzzle but also a strategic pillar for regional coordination and the dual-circulation development paradigm.
中国最重要的“东西大动脉”要来了！近日，国家发改委正式批复了沿江高铁通道（上海至成都）全线建设规划，标志着这条横贯中国东、中、西部的高速铁路大动脉即将全面启动。该线路全长约2100公里，设计时速350公里，连接长三角、长江中游和成渝三大城市群，覆盖上海、江苏、安徽、湖北、重庆、四川等省市。作为《中长期铁路网规划》中的“八纵八横”主干网之一，沿江高铁不仅将大幅缩短东西部时空距离——例如上海至成都旅行时间有望压缩至7小时以内，还将强化长江经济带协同发展，促进产业、人才、资源高效流动。更重要的是，它将有效缓解既有沪汉蓉铁路运力紧张问题，提升国家综合立体交通网韧性。这一“东西大动脉”的建成，不仅是中国高铁网络的关键拼图，更是推动区域协调发展战略、构建国内国际双循环格局的重要支撑。
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