Line 1 (Nanjing Metro)

Line 1 of the Nanjing Metro is a north-south line and the first operating metro line in the Nanjing Metro system, inaugurated on September 3, 2005. After the opening of the 25.08 km-long south extension line on May 28, 2010, the total length of Line 1 is now 37.9 km, running from to.

Route
This line mainly runs in a north-south direction. It starts at Baguazhoudaqiaonan station in the north, and continues southwards towards CPU station which is located at the southeastern side of Nanjing.

Of the total 21.72 km of the main line track, 14.33 km of the Line 1 track runs underground, while 7.39 km of the track run on or above the ground. Of the total 16 stations, 11 of them are underground stations while the other 5 are either ground or elevated stations. The southern extension line of Metro Line 1 has a total length of 25.08 km with 15 stations (excluding Andemen station). Of the total 15 stations, 8 of them are underground and the other 7 are all elevated stations.

The northern extension covers a length of 7.2 km (6.7 km underground and 0.5 km elevated) with 5 underground stations(excluding Maigaoqiao station). It's completed in 2022.