Seohaean Expressway

Expressway No.15
Seohaean Expressway
290px
Route information
Length:	345 km (214 mi)
Existed:	1994 – present
Major junctions
South end:	Mokpo IC in Mokpo, Jeollanam-do National Route 1
North end:	Geumcheon IC in Geumcheon-gu, Seoul 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	서해안고속도로
Hanja	西海岸高速道路
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

• 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

Lanes

• 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

345 km

Speed limits

• Jungnim JC - Maesong IC : 110km/h
• Maesong IC - W. Seoul(Geumcheon) End : 100km/h

List of facilities

• IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate

No.	Name	Korean Name	Hanja Name	Connections	Notes	Location
Connected directly with National Route 1 & 20px National Route 2(Goha-daero)(고하대로) (You can go to Haenam to through Mokpo Bridge(목포대교) and Sinan through Aphae Bridge(압해대교))
	Mokpo	목포 시점	木浦 始點	National Route 1 20px National Route 2		Mokpo, Jeollanam-do
1	Mokpo IC	목포나들목	木浦나들목	National Route 1 (Yeongsan-ro)
	Jungnim JC	죽림분기점	竹林分岐點	20px Namhae Expressway (Mokpo~Gwangyang) 20px National Route 2		Muan, Jeollanam-do
2	Illo IC	일로나들목	一老나들목	Provincial Route 815
TG	Mokpo TG	목포요금소	木浦料金所		Main Tollgate
3	Muan IC	무안나들목	務安나들목	National Route 1
4	Hampyeong JC	함평분기점	咸平分岐點	20px Muan-Gwangju Expressway		Hampyeong, Jeollanam-do
SA	Hampyeongcheonji SA	함평천지휴게소	咸平天地休憩所		Mokpo-bound Only
5	Hampyeong IC	함평나들목	咸平나들목	20px National Route 23
SA	Hampyeongcheonji SA	함평천지휴게소	咸平天地休憩所		Seoul-bound Only
6	Yeonggwang IC	영광나들목	靈光나들목	20px National Route 23		Yeonggwang, Jeollanam-do
7	Gochang JC	고창분기점	高敞分岐點	20px Gochang-Damyang Expressway		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	20px National Route 22
10	Julpo IC	줄포나들목	茁浦나들목	Provincial Route 710		Buan, Jeollabuk-do
11	Buan IC	부안나들목	扶安나들목	20px National Route 30
12	W Gimje IC	서김제나들목	西金堤나들목	20px National Route 29		Gimje, Jeollabuk-do
13	E Gunsan IC	동군산나들목	東群山나들목	20px National Route 21 20px National Route 26 20px 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	20px 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	20px Seocheon-Gongju Expressway		Seocheon, Chungcheongnam-do
16	Seocheon IC	서천나들목	舒川나들목	20px National Route 4
SA	Seocheon SA	서천휴게소	舒川休憩所
17	Chunjangdae IC	춘장대나들목	春長臺나들목	20px National Route 21
18	Muchangpo IC	무창포나들목	武昌浦나들목	Provincial Route 606		Boryeong, hungcheongnam-do
19	Daecheon IC	대천나들목	大川나들목	20px 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	20px National Route 29
22	Haemi IC	해미나들목	海美나들목	20px National Route 45		Seosan, Chungcheongnam-do
SA	Seosan SA	서산휴게소	西山休憩所
23	Seosan IC	서산나들목	西山나들목	20px National Route 32
24	Dangjin JC	당진분기점	唐津分岐點	20px Dangjin-Yeongdeok Expressway		Dangjin, Chungcheongnam-do
25	Dangjin IC	당진나들목	唐津나들목	20px National Route 34
26	Songak IC	송악나들목	松岳나들목	20px National Route 38
SA	Haengdam Island SA	행담도휴게소	行淡島休憩所		In the Seohae Grand Bridge
BR	Seohae Bridge	서해대교	西海大橋		Length=7,310m(23,980ft)	Pyeongtaek, Gyeonggi-do
27	W Pyeongtaek IC	서평택나들목	西平澤나들목	20px National Route 82
28	W Pyeongtaek JC	서평택분기점	西平澤分岐點	20px Pyeongtaek–Jecheon Expressway 20px Pyeongtaek-Siheung Expressway
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	Mokpo-bound Only Gangneung-bound Only	Ansan, Gyeonggi-do
32	Ansan JC	안산분기점	安山分岐點	Yeongdong Expressway
TG	W. Seoul TG	서서울요금소	西서울料金所		Main Tollgate
33	Jonam JC	조남분기점	鳥南分岐點	Seoul Ring Expressway		Siheung, Gyeonggi-do
SA	Mokgam SA	목감간이휴게소	牧甘簡易休憩所		Seoul-bound Only
34	Mokgam IC	목감나들목	牧甘나들목	20px National Route 42 Suwon–Munsan Expressway Provincial Route 330 (3rd Guyeongin Highway)
35	Gwangmyeong Stn. IC	광명역나들목	光明驛나들목	Ori-ro	cunnect with KTX Gwangmyeong Stn.	Anyang, Gyeonggi-do
36	Iljik JC	일직분기점	日直分岐點	2nd Gyeongin Expressway		Gwangmyeong, Gyeonggi-do
37	Geumcheon IC	금천나들목	衿川나들목	National Route 1		Geumcheon-gu, Seoul
	West Seoul	서서울 종점	西서울終點	National Route 1	Expressway End
Connected directly with National Route 1 Seobu Highway(서부간선도로) (You can go to Goyang, Paju to through Seongsan Bridge(성산대교))

See also

• Roads and expressways in South Korea
• Transportation in South Korea
• List of Korea-related topics

External links

• MOLIT South Korean Government Transport Department