Seoul Metropolitan City Route 21 () is a road located in

Seoul Seoul, officially Seoul Special Metropolitan City, is the capital city, capital and largest city of South Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's List of cities b ...

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

. With a total length of , this road starts from the Siheung-dong in Geumcheon District, Seoul to Jungnim-dong in Jung District.

Stopovers

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Geumcheon District Geumcheon District () is one of the 25 ''gu'' (districts) of Seoul, South Korea. It was created from southern parts of Guro District and tiny sections from Gwangmyeong in 1995. Its district office is located in front of Siheung Station, now Ge ...

Gwanak District Gwanak District () is one of the 25 districts (''gu'') of Seoul, South Korea. It lies on the southern skirt of Seoul, bordering Anyang, Gyeonggi Province. The southern border of Gwanak District, bordering Anyang, consists of the craggy ridg ...

Guro District Guro District () is one of the List of districts of Seoul, 25 districts of Seoul, South Korea, which was separated from Yeongdeungpo District on April 1, 1980. Located in the southwestern part of the city, where besides Yangcheon District and ...

Dongjak District Dongjak District () is one of the 25 districts that make up the city of Seoul, South Korea. Its name was derived from the Dongjaegi Naruteo Ferry, on the Han River which borders the district to the north. It was the 17th ''gu'' created in S ...

Yeongdeungpo District Yeongdeungpo District () is one of the List of districts of Seoul, 25 districts of Seoul, South Korea. Although the origin of the name is uncertain, the first two syllables are thought to be from "''yeongdeung''" (靈登) or "divine ascent", a ...

Yongsan District Yongsan District (, ) is one of the 25 List of districts of Seoul, districts of Seoul, South Korea. It has a population of 231,685 (2020) and has a geographic area of , and is divided into 19 ''Dong (administrative division), dong'' (administrati ...

Jung District Jung District (), meaning "Central District", is the name of a ''gu'' (district) in several South Korean cities: *Jung District, Busan *Jung District, Daegu *Jung District, Daejeon *Jung District, Incheon *Jung District, Seoul *Jung District, Ulsan ...

List of Facilities

IS: Intersection, IC: Interchange * (■): National Route 1 overlap

References

{{Public transport in the Seoul Metropolitan Area Roads in Seoul