济滨高铁迎来新进展，机场隧道贯通

Core Viewpoint - The successful completion of the Jibin High-speed Railway airport tunnel lays a solid foundation for the timely opening and operation of the entire line [1] Group 1: Project Overview - The Jibin High-speed Railway airport tunnel is a key project, with a total length of 2,710 meters, making it the first underground open-cut construction high-speed railway tunnel in Jinan [3] - The maximum excavation depth of the tunnel reaches 19 meters underground, and the maximum excavation width is 55.4 meters, passing under the airport's General Transportation Center (GTC) and T2 terminal [3] Group 2: Railway Line Details - The Jibin High-speed Railway starts from Jinan East Station, traversing through various districts including Licheng District, Yaoqiang International Airport, and Zhangqiao District, crossing the Yellow River, and connecting to Binzhou Station [5] - The total length of the railway line is 150.6 kilometers, with a total tunnel length of 7.35 kilometers and a total bridge and tunnel length of 136 kilometers [5] Group 3: Strategic Importance - The Jibin High-speed Railway is an important component of the Tianwei High-speed Railway corridor and the rapid railway network in northern Shandong Province, serving as a crucial link in the national railway network's "eight vertical and eight horizontal" rapid transit framework [7] - It is a significant measure for implementing Shandong Province's transportation development strategy of "increasing density, speeding up, and expanding channels," promoting coordinated regional economic development and urbanization, and improving regional transportation conditions [7]