长春轨道交通5号线全线轨通！

Core Points - The Changchun Rail Transit Line 5 has achieved its long rail connection target five days ahead of schedule, laying a solid foundation for subsequent vehicle debugging and trial operation [1] - The entire line is now connected, marking a significant milestone in the construction process [2] Project Overview - Changchun Rail Transit Line 5 spans 19.496 kilometers, entirely underground, with 18 stations including 8 transfer stations, and includes a vehicle depot at Lujia Tun [3] - The company is responsible for the track laying task, which includes 43.224 kilometers of main line track and 11.493 kilometers for the vehicle depot [3] Strategic Importance - As a core backbone line running from southwest to northeast in Changchun, the opening of Line 5 will facilitate transfers with 8 existing and under-construction lines [5] - The completion of this line is not only a landmark achievement in upgrading urban transportation infrastructure in Changchun but also serves as a significant engine for economic and social development, enhancing the city's quality and strategic importance [5]