Highway system in South Korea

South Korea has seven highway systems.^[1]

1. National expressways (Korean: 고속국도; Hanja: 高速國道; RR: Gosokgukdo)
2. General national highways (Korean: 일반국도; Hanja: 一般國道; RR: Ilbangukdo)
3. Special Metropolitan City roads and Metropolitan City roads [ko] (Korean: 특별시도·광역시도; Hanja: 特別市道·廣域市道; RR: Teukbyeolsido·Gwangyeoksido)
4. Local highways (Korean: 지방도; Hanja: 地方道; RR: Jibangdo)
5. Si roads (Korean: 시도; Hanja: 市道; RR: Sido)
6. Gun roads (Korean: 군도; Hanja: 郡道; RR: Gundo)
7. Gu roads (Korean: 구도; Hanja: 區道; RR: Gudo)

National Expressways

1

National Expressways (Korean: 고속국도; Hanja: 高速道路; RR: Gosokgukdo) or Expressways (Korean: 고속도로; Hanja: 高速道路; RR: Gosokdoro)

• v
• t
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South Korean expressways

South–North

• 1 (Gyeongbu)
• 15 (Seohaean)
• 17 (Pyeongtaek–Paju)
• 25
  • Honam
  • Nonsan–Cheonan
• 27 (Suncheon–Wanju)
• 29 (Sejong—Pocheon)
• 35
  • Tongyeong–Daejeon
  • Jungbu
• 37 (2nd Jungbu)
• 45 (Jungbu Naeryuk)
• 55 (Jungang)
• 65 (Donghae)

West–East

• 10 (Namhae)
• 12
  • Muan–Gwangju
  • Gwangju–Daegu
• 14 (Hamyang–Ulsan) [ko]
• 16 (Ulsan)
• 20 (Saemangeum–Pohang)
• 30 (Seosan–Yeongdeok)
• 32 (Asan–Cheongju) [ko]
• 40 (Pyeongtaek–Jecheon)

• 50 (Yeongdong)
• 52 (Gwangju–Wonju)
• 60 (Seoul–Yangyang)

Belt

• 100 (Capital Region 1st Ring)
• 300 (Daejeon Southern Ring)
• 400 (Capital Region 2nd Ring) [ko]
• 500 (Gwangju Ring) [ko]
• 600 (Busan Ring) [ko]
• 700 (Daegu Ring) [ko]

Metropolitan Area

• 110 (2nd Gyeongin)
• 120 (Gyeongin)
• 130 (Incheon Int'l Airport)

Branch

• 102 (Namhae Branch 1)
• 104 (Namhae Branch 2)
• 105 (Namhae Branch 3)
• 151 (Seocheon–Gongju) [ko]
• 153 (Pyeongtaek–Siheung)
• 171
  • Osan–Hwaseong
  • Yongin–Seoul
• 204 (Saemangeum–Pohang Branch (Iksan-Wanju)) [ko]
• 251 (Honam Branch)
• 253 (Gochang–Damyang) [ko]
• 301 (Sangju–Yeongcheon) [ko]
• 451 (Jungbu Naeryuk Branch)
• 551 (Jungang Branch)

Planned

• 17 (Iksan–Pyeongtaek) [ko]
• 173 (Iksan–Pyeongtaek Branch) [ko]
• 202 (Saemangeum–Pohang Branch (Pohang)) [ko]
• 255 (Gangjin–Gwangju) [ko]
• 292 (Sejong–Pocheon Expressway Osong Branch) [ko]

Abolished

• Namhae Branch 3 [ko]
• Guma Branch
• Gimcheon–Yeongcheon [ko]

General National highways

1

General National highways (Korean: 일반국도; Hanja: 一般國道; RR: Ilbangukdo) or National highways (Korean: 국도; Hanja: 國道; RR: gukdo)

Special Metropolitan City roads and Metropolitan City roads

Special Metropolitan City roads and Metropolitan City roads (Korean: 특별시도·광역시도; Hanja: 特別市道·廣域市道; RR: Teukbyeolsido·Gwangyeoksido)

Special Metropolitan City roads

30

20

Special Metropolitan City roads (Korean: 특별시도; Hanja: 特別市道; RR: Teukbyeolsido) are the highway in the special city (Seoul).

Metropolitan City roads

11

Metropolitan City roads (Korean: 광역시도; Hanja: 廣域市道; RR: Gwangyeoksido) are the highway in the metropolitan city.

• Metropolitan City roads of Busan
• Metropolitan City roads of Daegu
• Metropolitan City roads of Incheon
• Metropolitan City roads of Gwangju
• Metropolitan City roads of Daejeon
• Metropolitan City roads of Ulsan

Local highways

Local highways (Korean: 지방도; Hanja: 地方道; RR: Jibangdo)

State-funded local highways

13

State-funded local highways (Korean: 국가지원지방도; Hanja: 國家支援地方道; RR: Gukgajiwonjibangdo, shortly Korean: 국지도; Hanja: 國支道; RR: Gukjido)

General local highways

301

General local highways (Korean: 일반지방도; Hanja: 一般地方道; RR: Ilbanjibangdo

Si roads

Si roads (Korean: 시도; Hanja: 市道; RR: Sido) are the highways in the cities (Si).

Gun roads

Gun roads (Korean: 군도; Hanja: 郡道; RR: Gundo) are the highways in the counties (Gun).

Gu roads

Gu roads (Korean: 구도; Hanja: 區道; RR: Gudo) are the highways in the districts (Gu).

References