Seoul

Seoul Incheon - Gyeonggi
서울 인천 (仁川) - 경기 (京畿)
Background
Locale	Seoul, Incheon, Gyeonggi
Transit type	Rapid transit
Number of lines	10 (MRT); 10 (Regional); 1 (LRT)
Number of stations	324 (MRT); 237 (Regional); 15 (LRT)
Technical
System length	MRT - 345.7 km (214.81 mi) Regional - 577.3 km (358.72 mi) LRT - 11.1 km (6.90 mi)
Track gauge	1,435 mm (4 ft 8 1⁄2 in)

Seoul is one of the most heavily used rapid transit systems in Sudogwon area and the world, which services 7 million passengers by the metropolitan system alone and well over 8 million trips daily by the greater system's sixteen lines consisted of the Seoul Metro, Seoul Metropolitan Rapid Transit Corporation & Korail regional lines. The system serves Seoul, Incheon, Gyeonggi, northern South Chungcheong, and western Gangwon. There are connections to the A'REX at Seoul Station and Gimpo Airport, and a free transfer with the single-line Incheon Subway system at Bupyeong on Line 1. Since 2008, all stations operated by Seoul Metro and SMRT have been fitted with platform screen doors, but only within Seoul and excluding stations operated by Korail.

All directional signs in the Seoul Subway are written in both Korean and English. Station signs and some maps also display Hanja. The pre-recorded voice announcement in the trains indicating the upcoming station, possible line transfer and exiting side are all in Korean followed by English, and in some cases Japanese then Chinese.

The metropolitan subway network is operated in two forms and by seven different organizations:

Urban Rail (MRT & LRT)

• Seoul Metro (Line 2, underground section of Line 1, and large parts of Line 3 & Line 4). The corporation runs a total of 199 trains at 115 stations on lines 1–4. Generally, operation intervals are 2.5–3 minutes during rush hours and 4–6 minutes during non-rush hours. An average of 3,879,000 passengers use subway lines 1–4 daily.
• Seoul Metropolitan Rapid Transit Corporation (SMRT) (Line 5, Line 6, Line 7, and Line 8). An average of 2,037,000 passengers use subway lines 5–8 daily.
• Seoul Metro Line 9 Corporation for Line 9
• Incheon Metro for Incheon Line 1
• Uijeongbu Light Rail Ltd. for Uijeongbu

Regional Rail

• Korail (Korea Railroad); (Bundang, Jungang, Gyeongui, Gyeongchun, most of Line 1, and parts of Line 3 & Line 4). An average of 2,177,000 people use Korail's Seoul regional lines daily.
• Korail Airport Railroad Co. for A'REX
• NeoTrans Co.,Ltd. for Sin Bundang Line

Lines

Line	Terminals		Year Opened	Total Length in km	№ of Stations
Mass Rapid Transit
Line 1	Cheongnyangni	Seoul	1974	7.8	10
Line 2	loop line starts @ City Hall		1980	60.2	52
Line 3	Jichuk	Ogeum	1985	38.2	34
Line 4	Danggogae	Namtaeryeong	1985	31.1	26
Line 5	Banghwa	Sangil-dong / Macheon	1995	52.3	51
Line 6	Eungam	Bonghwasan	2001	35.1	38
Line 7	Jangam	Onsu	1996	46.9	42
Line 8	Amsa	Moran	1996	17.7	17
Line 9	Gaehwa	Sinnonhyeon	2009	27.0	25
Incheon Line 1	Gyeyang	Int. Business District	1999	29.4	29
Light Rail Transit
Uijeongbu	Balgok	Tapseok	2012	11.1	15
Regional Rail
Line 1	Soyosan	Incheon / Sinchang	1974	190.6	87
Line 3	Daehwa	Jichuk	1996	19.2	9
Line 4	Namtaeryeong	Oido	1994	39.4	22
Gyeongui	Seoul	Munsan	2009	46.3	20
Gyeongchun	Sangbong	Chuncheon	2010	81.3	18
Jungang	Yongsan	Yongmun	2005	72.6	28
Suin	Oido	Songdo	2012	13.1	9
Bundang	Wangsimni	Giheung	1994	39.5	28
Sinbundang	Gangnam	Jeongja	2011	17.3	6
A'REX	Seoul	Incheon Int. Airport	2007	58.0	10

Map