国家首次针对城际铁路出台文件，重点满足1至2小时通勤、休闲等

Core Viewpoint - The National Development and Reform Commission has issued guidelines to promote the healthy and sustainable development of intercity railways, aiming to create a well-structured, efficient, and economically viable intercity rail network to facilitate high-quality integration of urban agglomerations [1] Group 1: Intercity Railway Development - Intercity railways serve as the backbone passenger transport mode between key cities in urban agglomerations [1] - The intercity railway backbone network in the four major urban agglomerations—Beijing-Tianjin-Hebei, Yangtze River Delta, Guangdong-Hong Kong-Macau Greater Bay Area, and Chengdu-Chongqing Economic Circle—is rapidly forming, with a total length approaching 1,800 kilometers [1] - Operational efficiency is steadily improving, with major cities within these urban agglomerations achieving basic connectivity within 1 to 2 hours [1] Group 2: Functional Positioning of Intercity Railways - The guidelines clarify the functional positioning of intercity railways, which primarily connect central cities within urban agglomerations and large and medium-sized cities with a permanent population of over 500,000 [1] - The railways are designed to link important passenger flow distribution centers and densely populated areas along the routes [1] - A flexible transportation organization model featuring high density and small train sets is emphasized, focusing on meeting the travel needs for commuting, leisure, and business within 1 to 2 hours [1]