Nanjing–Chuzhou line
S4
A train of Line S4 is entering Huaboyuan
Overview
Status	In operation (Chuzhou section) Under construction (Nanjing section)
Locale	Chuzhou, Anhui and Nanjing, Jiangsu
Termini	Chuzhou Railway Station Chahe
Stations	10
Service
Type	Rapid Transit
System	Nanjing Metro
Operator(s)	Nanjing Metro Operation Co., Ltd. Chuzhou Rail Transit Operation Co., Ltd.
Rolling stock	4-car Class D Express train
History
Opened	28 June 2023; 17 months ago (2023-06-28)
Technical
Line length	46.2 km (28.7 mi)[1]
Character	Elevated and Underground
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	AC 25KV 50Hz with overhead catenary
Route map Legend Beijing-Shanghai HSR Chuzhou Railway Station Chuzhou Railway Station from China Railway Yaopu (reserved) Huaboyuan Langyashan Chuzhou Government Affairs Center Danzi (reserved) Beijing-Shanghai railway Qingliu River Suchu Business Center Dawangying Linlou Tiantian Expressway Shuikou (reserved) Shierliban Xiangguan Depot Xiangguan (reserved) Chahexincheng Chahe Zhangbao Border between Jiangsu and Anhui / Chu River Beidouchanyeyuan  3   Nanjing North Railway Station 3  4  15  Nanjing North Railway Station from China Railway  3    4    15

Line S4, commonly known as Nanjing–Chuzhou line or Chuzhou Rail Transit Line 1, is a rapid transit line of Nanjing Metro connecting Chuzhou and Nanjing in both Anhui and Jiangsu provinces of China. It is 46.2 kilometres (28.7 mi) long and has a maximum operating speed of 120 kilometres per hour (75 mph).^[1] Currently most of the Chuzhou section is opened in 28 June 2023,^[2] with a little rest sections in Chuzhou and Nanjing are still under construction.^[3]

Station name		Connections	Distance km		Location
English	Chinese
Chuzhou Railway Station	滁州高铁站	Chuzhou	0.0	0.0	Quanjiao	Chuzhou, Anhui
Yaopu (reserved)	腰铺		-		Nanqiao
Huaboyuan	花博园		5.9	5.9
Langyashan	琅琊山		2.9	8.8	Langya / Nanqiao
Chuzhou Government Affairs Center	滁州政务中心		2.5	11.3	Nanqiao
Danzi (reserved)	担子		-
Suchu Business Center	苏滁商务中心		5.9	17.2
Dawangying	大王郢		3.7	20.9
Linlou	林楼		2.6	23.5
Shuikou (reserved)	水口		-		Lai'an
Shierliban	十二里半		9.9	33.4
Xiangguan (reserved)	相官		-
Chahexincheng	汊河新城		9.6	43.0
Chahe	汊河		3.2	46.2
Zhangbao	张堡
Pancheng	盘城				Pukou, Nanjing, Jiangsu
Nanjing North Railway Station	南京北站	Nanjing North (U/C)  3   4   15   18