North section of 1 line: It starts from Qingdao North Station and ends at East Guo Zhuang Station, with a total length of 2 1.9 km. The stations opened include Qingdao North Railway Station, Cang 'an Road Station, Yongnian Road Station, Xingguo Road Station, Nanling Road Station, Zunyi Road Station, Ruijin Road Station, Xianjiazhai (North Bus Station), Liuting Station, Fenggang Road Station and Xiaozhaizi Station.

The southern section of 1 line is 38 kilometers long and has 26 stations. Including Wangjiagang Station, Petroleum University Station, Taihang Mountain Road Station, Jinggangshan Road Station, Dingjiahe Station, Xuejiadao Station, Tianmushan Station, Anzi Station, Xingangshan Road Station, Nanbeitun Station, Li Shan Station, Fenghuang Island Station, Tuandao Station, Xizhen Station (temporarily closed), Qingdao Station, Zhongshan Road Station, Guanxiangshan (municipal hospital) Station, Guangrao Road Station and Taiwan Province.

Qingdao Metro 1 Line is the fifth line completed and put into operation in Qingdao, Shandong Province, China. On February 24, 2020, the northern section (Dongguozhuang Station to Qingdao North Station) was opened, and the logo color was medium yellow.

Qingdao Metro 1 Line starts from Dongguozhuang Station, passes through Chengyang District, Licang District, Shibei District, Shinan District and Huangdao District, and ends at Wangjiagang Station, generally showing a north-south trend.

Submarine tunnel construction

The engineering geology of Qingdao Metro 1 line subsea tunnel is complex, and there is a risk of seawater surge and surrounding rock collapse, which totally crosses the 18 fault zone. In view of the characteristics of high safety risk, high technology content and high blasting technology requirements in the construction of submarine tunnel, the construction unit applies new technologies and new processes, and adopts geological exploration and forecasting means such as geological radar, infrared water exploration and geological sketch.

During the construction, the blasting design parameters should be adjusted at any time according to the geological conditions, environmental conditions and blasting effect to ensure the safety and quality under control. In order to control the construction risk, complete sets of tunnel construction machinery and equipment are used in tunnel construction, and the mechanization utilization rate is over 90%, which minimizes the manual use.