Seohaean Expressway

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Korean expressway route marker

Expressway No.15
Seohaean Expressway
Route information
Length: 345 km (214 mi)
Existed: 1994 – present
Major junctions
South end: Mokpo IC in Mokpo, Jeollanam-do
Korea National Route No.1.svg National Route 1
North end: Geumcheon IC in Geumcheon-gu, Seoul
Korea National Route No.1.svg National Route 1
Location
Major cities: Gimje, Gunsan, Boryeong, Seosan, Dangjin, Pyeongtaek, Hwaseong, Ansan, Anyang
Highway system
National highways of South Korea
Expressways in South Korea
Seohaean Expressway
Hangul
Hanja 西
Revised Romanization Seohaean Gosok Doro
McCune–Reischauer Sŏhaean Kosok Toro

The Seohaean Expressway (Korean: 서해안 고속도로; Seohaean Gosok Doro), meaning "West Coast Expressway", is a freeway in South Korea, connecting Mokpo to Gunsan, Dangjin, and Seoul. It has Expressway Route No. 15. The entire length from Seoul to Mokpo is 345 km and the posted speed limit is 110 km/h, enforced primarily by speed cameras. It is connected of Seohae Grand Bridge in Pyeongtaek to Dangjin.
The Branch Expressways of Seohaean Expressway are Seocheon-Gongju Expressway (Expressway Route 151) and Pyeongtaek-Siheung Expressway (Expressway Route 153)

History[edit]

  • December 1991 - Construction Begin
  • May 1993 - Construction Begin of Seohae Grand Bridge
  • 6 July 1994 - Seoul~Ansan segment opens to traffic.
  • 17 December 1996 - Ansan~Pyeongtaek segment opens to traffic.
  • 25 August 1998 - Mokpo~Muan segment opens to traffic.
  • 30 October 1998 - Gunsan~Seocheon segment opens to traffic.
  • 10 November 2000 - Seohae Grand Bridge segment opens to traffic. and Pyeongtaek~Dangjin segment opens to traffic.
  • 27 September 2001 - Dangjin~Seocheon segment opens to traffic.
  • 21 December 2001 - The last segment, Gunsan~Muan segment opens to traffic.
  • 30 July 2010 - Work begins to widen to 8 lanes in Ansan~Iljik Junction.

Compositions[edit]

Lanes[edit]

  • Mokpo IC - Dangjin JC, Iljik JC-West Seoul End: 4
  • Dangjin JC - Bibong IC, Maesong IC-Ansan JC, Jonam JC~Mokgam IC: 6
  • Mokgam IC - Iljik JC, Bibong IC - Maesong IC, West Seoul TG-Jonam JC: 8
  • Ansan JC - West Seoul TG: 10

Length[edit]

345 km

Speed limits[edit]

  • Mokpo - Ansan JC : 110km/h
  • Ansan JC - W. Seoul End : 100km/h

List of facilities[edit]

  • IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate
No. Name Korean name Hanja name Connections Notes Location
Mokpo Begin 목포 시점 木浦 始點 National Route 1 Mokpo,
Jeollanam-do
1 Mokpo IC 목포나들목 木浦나들목 National Route 1
Jungnim JC 죽림분기점 竹林分岐點 National Route 2,
Namhae Expressway
(Expressway Route 10)
Muan,
Jeollanam-do
2 Illo IC 일로나들목 一老나들목 Provincial Route 815
TG Mokpo TG 목포요금소 木浦料金所
3 Muan IC 무안나들목 務安나들목 National Route 1
4 Hampyeong JC 함평분기점 咸平分岐點 88 Olympic Expressway
(Expressway Route 12)
Hampyeong,
Jeollanam-do
SA Hampyeongcheonji SA 함평천지휴게소 咸平天地休憩所 Mokpo-bound Only
5 Hampyeong IC 함평나들목 咸平나들목 National Route 23
SA Hampyeongcheonji SA 함평천지휴게소 咸平天地休憩所 Seoul-bound Only
6 Yeonggwang IC 영광나들목 靈光나들목 National Route 23 Yeonggwang,
Jeollanam-do
7 Gochang JC 고창분기점 高敞分岐點 Gochang-Damyang Expressway
(Expressway Route 253)
Gochang,
Jeollabuk-do
8 Gochang IC 고창나들목 高敞나들목 Provincial Route 15
SA Gochang Goindol SA 고창고인돌휴게소 高敞고인돌休憩所
9 Seonunsan IC 선운산나들목 禪雲山나들목 National Route 22
10 Julpo IC 줄포나들목 茁浦나들목 Provincial Route 710 Buan,
Jeollabuk-do
11 Buan IC 부안나들목 扶安나들목 National Route 30
12 W Gimje IC 서김제나들목 西金堤나들목 National Route 29 Gimje,
Jeollabuk-do
13 E Gunsan IC 동군산나들목 東群山나들목 Korea National Route 21,
National Route 26,
National Route 29
Gunsan,
Jeollabuk-do
SA Gunsan SA 군산휴게소 群山休憩所 Mokpo-bound Only
14 Gunsan IC 군산나들목 群山나들목 National Route 21
SA Gunsan SA 군산휴게소 群山休憩所 Seoul-bound Only
15 E Seocheon JC 동서천분기점 東舒川分岐點 Seocheon-Gongju Expressway
(Expressway Route 151)
Seocheon,
Chungcheongnam-do
16 Seocheon IC 서천나들목 舒川나들목 National Route 4
SA Seocheon SA 서천휴게소 舒川休憩所
17 Chunjangdae IC 춘장대나들목 春長臺나들목 National Route 21
18 Muchangpo IC 무창포나들목 武昌浦나들목 Provincial Route 606 Boryeong,

hungcheongnam-do

19 Daecheon IC 대천나들목 大川나들목 National Route 36
SA Daecheon SA 대천휴게소 大川休憩所
20 Gwangcheon IC 광천나들목 廣川나들목 Provincial Route 96 Hongseong,
Chungcheongnam-do
SA Hongseong SA 홍성휴게소 洪城休憩所
21 Hongseong IC 홍성나들목 洪城나들목 National Route 29
22 Haemi IC 해미나들목 海美나들목 National Route 45 Seosan,
Chungcheongnam-do
SA Seosan SA 서산휴게소 西山休憩所
23 Seosan IC 서산나들목 西山나들목 National Route 32
24 Dangjin JC 당진분기점 唐津分岐點 Dangjin-Yeongdeok Expressway
(Expressway Route 30)
Dangjin,
Chungcheongnam-do
25 Dangjin IC 당진나들목 唐津나들목 National Route 34
26 Songak IC 송악나들목 松岳나들목 National Route 38
SA Haengdam Island SA 행담도휴게소 行淡島休憩所 In the Seohae Grand Bridge
27 W Pyeongtaek IC 서평택나들목 西平澤나들목 National Route 82 Pyeongtaek,
Gyeonggi-do
28 W Pyeongtaek JC 서평택분기점 西平澤分岐點 Pyeongtaek–Jecheon Expressway
(Expressway Route 40),
Pyeongtaek-Siheung Expressway
(Expressway Route 153)
29 Baran IC 발안나들목 發安나들목 National Route 39 Hwaseong,
Gyeonggi-do
SA Hwaseong SA 화성휴게소 華城休憩所
30 Bibong IC 비봉나들목 飛鳳나들목 National Route 39
SA Maesong SA 매송휴게소 梅松休憩所
31 Maesong IC 매송나들목 梅松나들목 Provincial Route 84
31-1 Palgok JC 팔곡분기점 八谷分岐點 Yeongdong Expressway
(Expressway Route 50)
Ansan,
Gyeonggi-do
32 Ansan JC 안산분기점 安山分岐點 Yeongdong Expressway
(Expressway Route 50)
TG W Seoul TG 서서울요금소 西서울料金所
33 Jonam JC 조남분기점 鳥南分岐點 Seoul Ring Expressway
(Expressway Route 100)
Siheung,
Gyeonggi-do
SA Mokgam SA 목감간이휴게소 牧甘簡易休憩所 Seoul-bound Only
34 Mokgam IC 목감나들목 牧甘나들목 National Route 42
35 Gwangmyeong Stn. IC 광명역나들목 光明驛나들목 Ori-ro Anyang,
Gyeonggi-do
36 Iljik JC 일직분기점 日直分岐點 2nd Gyeongin Expressway
(Expressway Route 110)
Gwangmyeong, Gyeonggi-do
37 Geumcheon IC 금천나들목 衿川나들목 National Route 1 Geumcheon-gu,
Seoul
West Seoul End 서서울 종점 西서울終點 National Route 1 Expressway End

See also[edit]

External links[edit]