Line 6
Hongqihegou Station platform
Overview
Status	operational
Termini	Chayuan (Main line) Lijia (International Expo branch) Beibei (Main line) Shaheba (International Expo branch)
Stations	40 (28 on the main line) (12 on International Expo branch)
Service
Type	Rapid transit
System	Chongqing Rail Transit
Operator(s)	Chongqing Rail Transit Corp., Ltd
Daily ridership	452,300 (2016 Peak)[1]
History
Opened	28 September 2012; 12 years ago (2012-09-28)
Technical
Line length	85.54 km (53.15 mi)
Track gauge	1435 mm
Operating speed	100 km/h (peak)
Route map Legend Chongqing E. Chayuan Changshenglaojie Qiujiawan Baileyuan Changshengqiao Liujiaping Changsheng depot Tongluo Mountains Loop Shangxinjie Dongshuimen Bridge across Yangtze River 1 Xiaoshizi Qianximen Bridge across Jialing River Grand Theater Line 9 to Gaotanyan 9 Jiangbeicheng Loop 9 Wulidian Line 9 to Huashigou 10 Hongtudi Line 10 to Lanhualu Huangnibang 3 Hongqihegou Huahuiyuan Line 5 to Tiaodeng 5 Dalongshan Ranjiaba Loop 5 Line 5 to Yuegangbeilu Guangdianyuan Dazhulin depot Dazhulin Kangzhuang Jiuquhe International Expo branch [a] Lijia Happy Valley Jinshansi Huangmaoping Caijia Bridge across Jialing River Gaoyikou Caojiawan Caijia International Expo Center Xiangjiagang 10 Yuelai 10 Wangjiazhuang Zhongliang Mountains Qingxihe Longfengxi depot Caojiawan depot Longfengxi Liujiayuanzi Zhuangyuanbei Siyuan Southwest University Fuxing Beibei Hongyanping Shaheba ^ Through-service from/to main line suspended

CRT Line 6 (and the branch line branded as International Expo line) is the second heavy rail subway line in Chongqing, as well as being the longest rapid transit line in China, at 85.6 km (53.19 mi) long. It opened with provisional revenue service on September 28, 2012, and connects Nan'an, Yuzhong, and Jiangbei districts in central Chongqing.

Service routes			Station №	Station name		Connections	Distance km		Location
				English	Chinese
●	●			Chayuan	茶园		-	0.00	Nan'an
●	●			Qiujiawan	邱家湾		1.40	1.40
●	●			Changshengqiao	长生桥		1.70	3.10
●	●			Liujiaping	刘家坪		1.80	4.90
●	●			Shangxinjie	上新街	Loop line	6.70	11.60
●	●			Xiaoshizi	小什字	Line 1  18	1.40	13.00	Yuzhong
●	●			Grand Theater	大剧院		1.25	14.25	Jiangbei
●	●			Jiangbeicheng	江北城	Line 9	1.00	15.25
●	●			Wulidian	五里店	Line 9      Loop line	1.30	16.55
●	●			Hongtudi	红土地	Line 10	1.45	18.00
●	●			Huangnibang	黄泥磅		1.35	19.35
●	●			Hongqihegou	红旗河沟	Line 3	1.20	20.55	Yubei
●	●			Huahuiyuan	花卉园	4	1.35	21.90
●	●			Dalongshan	大龙山	Line 5	1.85	23.75
●	●			Ranjiaba	冉家坝	Line 5      Loop line	0.70	24.45
●	●			Guangdianyuan	光电园		2.15	26.60
●	●			Dazhulin	大竹林		3.05	29.65
●	●			Kangzhuang	康庄		0.80	30.45
●	●			Jiuquhe	九曲河		2.15	32.6
●	●	●		Lijia	礼嘉		1.60	34.20
●	●			Jinshansi	金山寺	15	1.35	35.55
●	●			Caojiawan	曹家湾		5.15	40.70	Beibei
●	●			Caijia	蔡家		1.90	42.60
	●			Xiangjiagang	向家岗		1.95	44.55
	●			Longfengxi	龙凤溪		8.75	53.30
	●			Zhuangyuanbei	状元碑		1.75	55.05
	●			Southwest University[3]	西南大学[3]		2.90	57.95
	●			Beibei	北碚		1.80	59.75
International Expo branch
		●		Happy Valley	欢乐谷	15	2.38	36.58	Yubei
		●		Huangmaoping	黄茅坪		2.80	39.38
		●		Gaoyikou	高义口		3.44	42.82
		●		International Expo Center	国博中心		2.32	45.14
		●		Yuelai	悦来	Line 10	1.08	46.21
		●		Wangjiazhuang	王家庄	Line 10	2.03	48.24
		●		Qingxihe	清溪河		2.31	50.55	Beibei
		●		Liujiayuanzi	刘家院子		2.10	52.65
		●		Siyuan	思源		2.94	55.59
		●		Fuxing	复兴		1.70	57.29
		●		Hongyanping	红岩坪		1.26	58.55
		●		Shaheba	沙河坝		1.45	59.99

Covering a distance of 6.7 km,^[4] this extension starts from Liujiaping station and branches off towards Chongqing East Station, with 2 stations in between.^[4] The project began on 28 March 2022.^[5]

Station №	Station name		Connections	Location
	English	Chinese
6/**	Chongqing E.	重庆东站	24   27  Chongqingdong	Nan'an
6/**	Changshenglaojie	长生老街
6/**	Baileyuan	百乐园
6/04	Liujiaping	刘家坪

The line crosses the Jialing River via Caijia Rail Transit Bridge (Chinese: 蔡家轨道大桥). Construction work began in October 2010 and it was completed in December 2013.^[6]