On December 16, the entire section of the Qingdao Metro Line 15 project constructed by China Construction Second Bureau was completed, marking a key breakthrough in the construction of this major traffic artery connecting the north-south direction of Qingdao City, helping the project advance smoothly. According to reports, after completion, the line will become a high-volume backbone route, effectively relieving north-south traffic pressure in the main city of Qingdao and promoting the optimization of the city's layout and expansion of development space.

On December 16, the entire section of the Qingdao Metro Line 15 project constructed by China Construction Second Bureau was completed, marking a key breakthrough in the construction of this major traffic artery connecting the north-south direction of Qingdao City, helping the project advance smoothly. According to reports, after completion, the line will become a high-volume backbone route, effectively relieving north-south traffic pressure in the main city of Qingdao and promoting the optimization of the city's layout and expansion of development space.