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 -long south extension line on May 28, 2010, the total length of Line 1 is now , running from to .
Route.
This line mainly runs in a north-south direction. It starts at Maigaoqiao 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.
Proposed extensions.
North.
There are plans for Line 1 to extend northwards to . The first phase of the extension line will cover a length of 5 km with 4 elevated stations.