Core Points - The development of new southbound railway corridors in Shandong is crucial for enhancing connectivity and accommodating increasing passenger demand [1][3] - The existing railways, such as the Beijing-Shanghai High-Speed Railway and the Qing-Yan Railway, are currently facing capacity issues, particularly during peak travel times [1] - Several new railway projects are underway, including the second channel of the Beijing-Shanghai High-Speed Railway and the Jizhao High-Speed Railway, which will significantly improve transportation links to southern regions [1][2] Group 1 - Shandong is enhancing its southbound transportation network to meet rising passenger flow and economic development needs [1][3] - The existing railways are becoming saturated, necessitating the construction of new lines to alleviate congestion [1] - New projects like the Jizhao High-Speed Railway and the proposed Xu-He High-Speed Railway are expected to connect Shandong with key areas in Jiangsu and beyond [1][2] Group 2 - The planned rail projects will not only create new routes but also contribute significantly to regional economic growth and the overall improvement of the transportation network [3]