Line 4, Beijing Subway

Line 4, Beijing Subway
Overview
Type	Rapid transit
System	Beijing Subway
Status	Operational
Locale	Haidian, Xicheng & Fengtai
Termini	Anheqiao North Gongyixiqiao
Stations	24
Daily ridership	1,187,000 (2014 Avg. Line 4 only) 1,574,000 (2014 Peak Line 4 only)
Ridership	351 million (2012 annual)
Operation
Opened	September 28, 2009
Operator(s)	Beijing MTR Corporation Limited
Depot(s)	Longbeicun, Majiapu
Technical
Line length	28.165 km (17.501 mi)
Track gauge	1,435 mm (4 ft 8 1⁄2 in)
Electrification	750 V DC, third rail
Route map [{{fullurl:{{{1}}}|action=edit}}    ] Anheqiao North [{{fullurl:{{{1}}}|action=edit}}    ] Beigongmen Lines 4, 16 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Xiyuan [{{fullurl:{{{1}}}|action=edit}}    ] Yuanmingyuan Park [{{fullurl:{{{1}}}|action=edit}}    ] East Gate of Peking University [{{fullurl:{{{1}}}|action=edit}}    ] Zhongguancun Lines 4, 10 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Haidianhuangzhuang [{{fullurl:{{{1}}}|action=edit}}    ] Renmin University [{{fullurl:{{{1}}}|action=edit}}    ] Weigongcun Lines 4, 9 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] National Library [{{fullurl:{{{1}}}|action=edit}}    ] Beijing Zoo Lines 2, 4, 13 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Xizhimen [{{fullurl:{{{1}}}|action=edit}}    ] Xinjiekou Lines 4, 6 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Ping'anli [{{fullurl:{{{1}}}|action=edit}}    ] Xisi [{{fullurl:{{{1}}}|action=edit}}    ] Lingjing Hutong Lines 1, 4 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Xidan Lines 2, 4 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Xuanwumen Lines 4, 7 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Caishikou [{{fullurl:{{{1}}}|action=edit}}    ] Taoranting Lines 4, 14 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Beijing South [{{fullurl:{{{1}}}|action=edit}}    ] Majiapu Lines 4, 10 [{{fullurl:{{{1}}}|action=edit}}    ] [{{fullurl:{{{1}}}|action=edit}}    ] Jiaomen West [{{fullurl:{{{1}}}|action=edit}}    ] Gongyixiqiao Connect toDaxing Line

Line 4 of the Beijing Subway (Chinese: 北京地铁四号线; pinyin: běijīng dìtiě sìhào xiàn) is the 9th subway line in Beijing's mass transit network. It entered into operation on September 28, 2009, and runs from north to south, parallel and to the west of Line 5, through Haidian, Xicheng,and Fengtai Districts in the western half of the city. It is 28.2 km long with 24 stations. Riding on this line starts from a fare of RMB(¥) 3.00 depending on the distance travelled. Line 4's color is      teal.

Line 4 and Daxing Line operate as a single line although they are classified as separate lines.

The first south-bound trains departs from Anheqiao North at 5:00am. The first north-bound train departs from Gongyixiqiao at 5:10am. The last north-bound train leaves Anheqiao North at 10:45pm. The last south-bound train leaves Gongyixiqiao at 11:10pm. Each train completes the entire journey in 48 minutes.

In the north, Line 4 begins in Anheqiao, just beyond the Summer Palace and heads south past the Old Summer Palace, through the university district and Zhongguancun, Beijing's high-tech silicon village, before turning east at the National Library of China and passing the Beijing Zoo en route to Xizhimen. After entering the 2nd Ring Road at Xizhimen, Line 4 resumes southwards at Xinjiekou and traverses the old city through Xisi, Xidan, Xuanwumen, Caishikou, and Taoranting Park. It passes the city's high-speed rail link at the Beijing South Railway Station before reaching the terminus at Gongyixiqiao. Construction began 2004 but delays have pushed back the opening date by two years to September 28, 2009.