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Line 3
Line 3
	Seoul Metro 3000 series EMU in April 2009; (up); Korail Class 3000 EMU in April 2024; (down)
Overview
Native name	3호선(三號線); Sam Hoseon
Status	Operational
Termini	Daehwa; Ogeum;
Stations	34
Service
Type	Rapid transit / Commuter Rail
System	Seoul Metropolitan Subway
Operator(s)	Seoul Metro, Korail
History
Opened	July 12, 1985
Technical
Line length	57.4 km (35.7 mi)
Number of tracks	2
Electrification	1,500 V DC overhead catenary
Operating speed	80 km/h (50 mph)

Seoul Subway Line 3 (dubbed The Orange Line) of the Seoul Metropolitan Subway is a rapid transit service that connects Eunpyeong District to Gangnam and southeastern Seoul. Most trains head further northwest to serve Goyang via the Ilsan Line.^[1] In 2021, the Seoul Metro operated section had an annual ridership of 295,930,000 or 810,767 passengers per day.^[2]

In December 2010 the line is recorded as having the second highest Wi-Fi data consumption in the Seoul Metropolitan area. It averaged 1.8 times more than the other 14 subway lines fitted with Wi-Fi service zones.^[3]

History

Construction began in 1980, and the first section of Line 3 opened (Gupabal–Yangjae; Jichuk opened in 1990) after the completion of work in two stages during 1985, along with subway Line 4. In October 1993, a second extension to the south was opened (Yangjae–Suseo).

In March 1996, the Korail Ilsan Line opened and allowed Line 3 trains to through operate all the way to the city of Goyang. There are two depots near Jichuk station and Suseo station, which are for both Korail and Seoul Metro.

A 3-kilometre (1.9 mi) extension opened on February 18, 2010, stretching from Suseo to Garak Market (Line 8) and Ogeum (Line 5).

On December 27, 2014, Wonheung station opened between Wondang and Samsong stations.

Tourism

In January 2013, the Seoul Metropolitan Rapid Transit Corporation, published free guidebooks in three languages: English, Japanese and Chinese (simplified and traditional), which features eight tours as well as recommendations for accommodations, restaurants and shopping centers. The tours are designed with different themes for travel along the subway lines, e.g. Korean traditional culture, which goes from Jongno 3-ga station to Anguk station and Gyeongbokgung station on this line that showcases antique shops and art galleries of Insa-dong.^[4]

Stations

Seoul Metropolitan Subway Line 3

Legend

Unjeong extension (Proposed)

309 Daehwa

310 Juyeop

311 Jeongbalsan

312 Madu

313 Baekseok

314 Daegok

315 Hwajeong

316 Wondang

317 Wonheung

318 Samsong

Jichuk Depot

319 Jichuk

⬆️ Korail (Ilsan Line)

⬇️ Seoul Metro (Seoul Subway Line 3)

Northbound turnback

320 Gupabal

321 Yeonsinnae

towards Sinnae

322 Bulgwang

via Dokbawi

323 Nokbeon

324 Hongje

325 Muakjae

326 Dongnimmun

327 Gyeongbokgung

328 Anguk

329 Jongno 3(sam)-ga

330 Euljiro 3(sam)-ga

331 Chungmuro

link with Line 4

332 Dongguk Univ.

333 Yaksu

334 Geumho

335 Oksu

Dongho Bridge crossing Han river

336 Apgujeong

337 Sinsa

338 Jamwon

339 Express Bus Terminal

340 Seoul Nat'l Univ. of Education

341 Nambu Bus Terminal

342 Yangjae

343 Maebong

344 Dogok

345 Daechi

346 Hangnyeoul

347 Daecheong

348 Irwon

349 Suseo

Suseo Depot

350 Garak Market

351 National Police Hospital

352 Ogeum

Extension to Hanam City Hall (Proposed)

Station Number	Station Name English	Station Name Hangul	Station Name Hanja	Line Name	Distance in km	Total Distance	Location

309	Daehwa	대화	大化	Ilsan Line	---	0.0	Gyeonggi-do	Goyang-si
310	Juyeop	주엽	注葉		1.4	1.4
311	Jeongbalsan (Goyang AramNuri)	정발산 (고양아람누리)	鼎鉢山		1.6	3.0
312	Madu	마두	馬頭		0.9	3.9
313	Baekseok (National Health Insurance Service Ilsan Hospital)	백석 (건강보험일산병원)	白石		1.4	5.3
314	Daegok	대곡	大谷		2.5	7.8
315	Hwajeong	화정	花井		2.1	9.9
316	Wondang	원당	元堂		2.6	12.5
317	Wonheung	원흥	元興		2.9	15.4
318	Samsong	삼송	三松		2.1	17.5
319	Jichuk	지축	紙杻		1.7	19.2
320	Gupabal (Eunpyeong St. Mary's Hospital)	구파발 (은평성모병원)	舊把撥	Seoul Metro Line 3	1.5	20.7	Seoul	Eunpyeong-gu
321	Yeonsinnae	연신내	연신내		2.0	22.7
322	Bulgwang	불광	佛光		1.3	24.0
323	Nokbeon	녹번	碌磻		1.1	25.1
324	Hongje	홍제	弘濟		1.6	26.7		Seodaemun-gu
325	Muakjae	무악재	毋岳재		0.9	27.6
326	Dongnimmun	독립문	獨立門		1.1	28.7
327	Gyeongbokgung (Government Complex-Seoul)	경복궁 (정부서울청사)	景福宮		1.6	30.3		Jongno-gu
328	Anguk (Hyundai E & C)	안국 (현대건설)	安國		1.1	31.4
329	Jongno 3(sam)-ga	종로3가	鍾路3街		1.0	32.4
330	Euljiro 3(sam)-ga (Shinhan Card)	을지로3가 (신한카드)	乙支路3街		0.6	33.0		Jung-gu
331	Chungmuro	충무로	忠武路		0.7	33.7
332	Dongguk Univ.	동대입구	東大入口		0.9	34.6
333	Yaksu	약수	藥水		0.7	35.3
334	Geumho	금호	金湖		0.8	36.1		Seongdong-gu
335	Oksu	옥수	玉水		0.8	36.9		Seongdong-gu
336	Apgujeong (Hyundai Department Store)	압구정 (현대백화점)	狎鷗亭		2.1	39.0		Gangnam-gu
337	Sinsa	신사	新沙		1.5	40.5		Gangnam-gu
338	Jamwon	잠원	蠶院		0.9	41.4		Seocho-gu
339	Express Bus Terminal	고속터미널	高速터미널		1.2	42.6
340	Seoul Nat'l Univ. of Education (Court & Prosecutors' Office)	교대 (법원·검찰청)	敎大		1.6	44.2
341	Nambu Bus Terminal (Seoul Arts Center)	남부터미널 (예술의전당)	南部터미널		0.9	45.1
342	Yangjae (Seocho-gu Office)	양재 (서초구청)	良才		1.8	46.9
343	Maebong	매봉	매봉		1.2	48.1		Gangnam-gu
344	Dogok	도곡	道谷		0.8	48.9
345	Daechi	대치	大峙		0.8	49.7
346	Hangnyeoul	학여울	학여울		0.8	50.5
347	Daecheong (SH Corporation)	대청 (서울주택도시공사)	대청		0.9	51.4
348	Irwon	일원	逸院		1.2	52.6
349	Suseo	수서	水西		1.8	54.4
350	Garak Market	가락시장	可樂市場		1.2	55.6		Songpa-gu
351	National Police Hospital	경찰병원	警察病院		0.8	56.4
352	Ogeum	오금	梧琴		0.6	57.0

Rolling stock

Current

VVVF inverter-controlled electric car
- First generation – since 2009
- Second generation – since 2022
Korail Class 3000
- Second generation – since 2023
- Third generation – since 2023

Seoul Metro 3000 series VVVF inverter-controlled (First generation)
Seoul Metro 3000 series VVVF inverter-controlled (Second generation)
Korail Class 3000 (Second generation)
Korail Class 3000 (Third generation)

Former

Seoul Metro 3000 series
- Chopper-controlled from GEC Traction electric car (from 1989–2022, some transferred from Seoul Subway Line 4)
- Chopper-controlled from GEC Traction electric car (rebuilt cars) (from 2010–2022)
Korail Class 3000
- First generation (from 1995–2024)