Seoul Subway Line 7 of the

Seoul Metropolitan Subway The Seoul Metropolitan Subway () is a urban rail transit, metropolitan railway system consisting of 23 rapid transit, Medium-capacity rail transport system, light metro, commuter rail and people mover lines located in northwest South Korea. T ...

was built from 1990 to 1996 (

Jangam The ''Jangam'' (Kannada script, Kannada; ''ಜಂಗಮರು'') or Janga''muru or veerashaiva Jangam'' a Shaivism, Shaiva order of religious monks. They are the priests (Gurus) of the Shaivism, Hindu Shaiva sect, Gurus of Veerashaiva sect a ...

- Konkuk Univ.) and was completed on August 1, 2000 (central section .

Konkuk University Konkuk University () is a private university founded in South Korea in 1931. Konkuk University is known for its veterinary and art colleges at the Seoul campus. It has two campuses: one in Seoul and one in Chungju. The Seoul campus is located n ...

to Sinpung); the western section between Sinpung and Onsu was put into service on February 29, 2000. This north-south line does not run through the city centre but links

Gangnam Gangnam (), sometimes referred to as the Greater Gangnam Area, is a geographic and cultural region in Seoul. While Gangnam can refer to the entire region of Seoul south of the Han River, the region is generally defined as consisting of the city ...

directly to the northeastern districts of Seoul. In 2019, Line 7 had an annual ridership of 380 million or 1.04 million passengers per day. Although most trains run between

and

Seongnam Seongnam (; ) is the fourth largest city in South Korea's Gyeonggi Province after Suwon and the 10th largest city in the country. Its population is approximately one million. It consists of three administrative districts: Bundang District, J ...

, some trains short turn at Onsu station and some trains start at

Dobongsan Dobongsan () is a mountain in Bukhansan National Park, South Korea. It extends across Seoul, the national capital, and the cities of Yangju and Uijeongbu, in the province of Gyeonggi Province. It has an elevation of . Nearby Dobongsan Statio ...

station. All trains on Line 7 are monitored by 1,008

closed-circuit television camera A closed-circuit television camera is a type of surveillance camera that transmits video signals to a specific set of monitors or video recording devices, rather than broadcasting the video over public airwaves. The term " closed-circuit televis ...

s that were installed in June 2012. The extension to

Incheon Subway Line 1 Incheon Subway Line 1 () is a north-south subway line, part of the Incheon Subway system. The line is also included as a part of the overall Seoul Metropolitan Subway network; Bupyeong Station has a free transfer with Seoul Subway Line 1, G ...

was designed to relieve the traffic congestion in western Seoul and northern Incheon. Nine stations were added on October 27, 2012, for the extension, starting from

Onsu Station Onsu Station () is a station on the Seoul Subway Line 1 Seoul Subway Line 1 (dubbed ''The Dark Blue Line'') of the Seoul Metropolitan Subway is a rapid transit and commuter rail line which links central Seoul, South Korea to Yeoncheon statio ...

of Line 7 and ending at Bupyeong-gu Office Station of

. Line 7 was extended west of Bupyeong-gu Office. Construction on the two-station, extension to

began in 2013 and was completed on May 22, 2021. The extension allows for transfers to

Incheon Subway Line 2 Incheon Subway Line 2 () is a driverless, medium-capacity subway line running from Oryu-dong in Seo-gu to Incheon Grand Park, with 27 stations, part of the Incheon Subway system. The line is also included as a part of the overall Seoul Met ...

Expansion

A further seven-station extension to

Cheongna International City station Cheongna International City () is a station on AREX in Gyeongseo-dong, Seo District, Incheon Seo District () is the largest district in Incheon, South Korea. It has an area , and it has the largest area of farmland in Incheon. In the past, Se ...

through Cheongna International City is currently planned and is not expected to open any earlier than 2027; the extension will allow for transfers to the airport railroad. Another further two-station extension through Incheon's metropolitan landfill to Geomdan Oryu station is also currently being planned. Line 7 is also being extended north of Jangam to Yangju and Pocheon in two phases. The first phase, which started construction in late 2019 and is planned to open in 2025, will feature two stations, one of which will be Tapseok station, providing transfers to the

Uijeongbu LRT The U Line is a driverless, fully automatic, grade-separated light metro line in Uijeongbu, Seoul Capital Area, South Korea. The "U" is short for the city Uijeongbu. The line uses Véhicule Automatique Léger (VAL) 208 trains built by Siemens Tr ...

. The second phase, which is still in planning, will feature four additional stations. The second phase may be operated as a shuttle service.

Operation

Although the line is mostly operated by

Seoul Metro Seoul Transportation Corporation, branded as Seoul Metro (), is a municipal-owned corporation owned by Seoul Metropolitan Government, and one of the two major operators of Seoul Metropolitan Subway with Korail. History On May 31, 2017, ...

, the section beyond Onsu, between Kkachiul and

(including the future extension to Cheongna Int'l City) is operated by

Incheon Transit Corporation Incheon Transit Corporation (인천교통공사), formerly known as Incheon Rapid Transit Corporation (인천지하철공사) currently operates the Incheon Subway, Wolmi Sea Train, Incheon Bus information, Incheon Bus Terminal, Call taxi fo ...

. Further, this section was funded as Bucheon and Incheon City metro, is considered a part of Incheon Metro rather than as a part of Seoul Subway, and serves as an east-west line through wider Incheon area. Despite this, the entire line is operated as one, with all trains in the Incheon-operated section continuing onto the Seoul-operated section. Approximately half of trains in the Seoul-operated section continue onto the Incheon-operated section.Line 7 Timetable, fro
Seoul Metro Cyber Station
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Stations

Rolling stock

Current

Seoul Metro

* Seoul Metro 7000 series ** 1st generation – since 1995 (Retirement in Progress) ** 2nd generation – since 2000 ** 3rd generation – since 2010 ** 4th generation – since 2024

References

External links

Seoul Metropolitan Government's Line 7 extension page
includes a route map and status information for the westward extension from Onsu.

Map, station and route finder
{{South Korea rapid transit Seoul Metropolitan Subway lines Railway lines opened in 1996 Metro stations in Gwangjin District