Line 1 of the Nanjing Metro (Chinese: 南京地铁1号线; pinyin: Nánjīng Dìtiě Yī Hào Xiàn) 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 (15.58 mi)-long south extension line on May 28, 2010,^[2] the total length of Line 1 is now 37.9 km (23.5 mi),^[3] running from CPU to Maigaoqiao.

Quick Facts Overview, Other name(s) ...

Line 1
A Line 1 train approaching Hongshan Zoo
Overview
Other name(s)	Tianyin Line
Status	In operation
Locale	Jiangning, Yuhuatai, Qinhuai, Gulou, Xuanwu and Qixia districts Nanjing, Jiangsu
Termini	Maigaoqiao CPU
Stations	32
Service
Type	Rapid transit
Rolling stock	Alstom Metropolis
Daily ridership	763,000 (2014 Avg.) 1.207 million (2019 Peak)[1]
History
Opened	August 12, 2005; 18 years ago (2005-08-12)
Technical
Line length	18.5 km (11.5 mi)
Number of tracks	2
Character	Underground and elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Operating speed	65km/h (Normal), 80km/h (Maximum)
Route map Legend Erqiaogongyuan Depot Baguazhoudaqiaonan Badoushan Yanziji Jixiang'an Xiaozhuang 7  Mufuxilu  7  Xianxinlu Maigaoqiao Hongshan Zoo Jiangsu Grand Theater·Xianfa Square  9  Hongshanxincheng Linchang  3  Nanjing railway station 3  9  Beijing–Shanghai railway Jinchuan River Xinmofan­malu Xuanwumen Gulou 4  Longjiang  4  Xianlinhu Zhujianglu Xinjiekou 2  Yuzui  2  Jingtianlu Zhangfuyuan Sanshanjie 5   5  Fangjiaying Qinhuai River Nanjing–Tongling railway Zhonghuamen  10  Phase 2 Andemen 10  to  10   10  to Yushanlu Xiaohang Depot Tianlongsi Ruanjian­dadao Huashenmiao Nanjing South Railway Station  3  6  S1  S3  ( Konggangxinchengjiangning  S1 ) (Qixiashan  6  ) ( Gaojiachong  S3 )  (  Beijing–Shanghai high-speed railway, Nanjing–Hangzhou high-speed railway,etc.  ) ( 3 Mozhou­donglu ) Shuanglong­dadao Qinhuai New River Hedingqiao Shengtailu Baijiahu Xiaolongwan Qinhuai River Zhushanlu 5   5  Jiyindadao Tianyin­dadao Longmian­dadao Nanjing Ring Expressway NMU - JIETT NJCI CPU CPU Depot This diagram: view talk edit

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This section needs to be updated. (July 2014)

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 (13.50 mi) of the main line track, 14.33 km (8.90 mi) of the Line 1 track runs underground, while 7.39 km (4.59 mi) 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 (15.58 mi) with 15 stations (excluding Andemen station). Of the total 15 stations, 8 of them are underground and the other 7 are all elevated stations.^[4]

The northern extension covers a length of 7.2 km (4.5 mi) (6.7 km (4.2 mi) underground and 0.5 km (0.31 mi) elevated) with 5 underground stations(excluding Maigaoqiao station).^[5] It's completed in 2022.^[6]