副中心站枢纽年底具备开通条件，北京八大火车站将全部通地铁

Core Insights - The Beijing Municipal Government has reported significant progress in transportation development during the "14th Five-Year Plan" period, achieving a basic realization of a "1 to 1.5-hour traffic circle" among major cities in the Beijing-Tianjin-Hebei region and establishing a preliminary "1-hour commuting circle" around Beijing [1][2] Transportation Development - The Beijing Municipal Transportation Committee has focused on the integration strategy of the Beijing-Tianjin-Hebei region, accelerating the integration of four rail transit networks and continuously upgrading comprehensive hubs [1] - Key rail projects such as the Beijing-Harbin High-Speed Railway and the Beijing-Xiong'an Intercity Railway have been completed, with the first intercity rail line (Line 22) under rapid construction [1] - By the end of this year, the comprehensive transportation hub in the sub-center will be ready for operation, and all eight major railway stations in Beijing will be connected to the subway [1] Road Network Expansion - The completion of highways such as the Jingxiong and Jingwei expressways has added 108 kilometers of new expressways over the past five years, bringing the total to 1,276 kilometers [2] - A national expressway trunk network centered around Beijing has been established, featuring seven radial lines, two longitudinal lines, and three transverse lines [2] - The regional road network has been enhanced with 76 connecting road segments and 39 inter-provincial bus routes operating regularly, improving cross-province travel efficiency [2] Urban Sub-center Transportation - The transportation capacity of rail transit lines, such as Line 6, has been improved, and the suburban railway line to the urban sub-center has been extended to enhance rapid connections with the central city [2] - New roads, including the eastern extension of Guangqu Road and the East Grand Canal Road, have been completed, forming a "three fast, two main" road system with the central city [2] - The implementation of smart traffic control systems is being phased in to improve travel efficiency in the sub-center [2]