Seoul Ring Expressway

100 Expressway No.100
Seoul Ring Expressway 서울외곽순환고속도로
Route information
Length:	128.02 km (79.55 mi)
Existed:	1992 – present
Major junctions
Cycle end:	Pangyo JC in Seongnam, Gyeonggi Province Gyeongbu Expressway
	33
Cycle end:	Pangyo JC in Seongnam, Gyeonggi Province Gyeongbu Expressway
Location
Major cities:	Seongnam, Hanam, Guri, Uijeongbu, Goyang, Gimpo, Incheon, Bucheon, Siheung, Anyang
Highway system
Expressways in South Korea National highways of South Korea Gukjido & Jibangdo

Seoun Junction, 2008

Jonam Junction, 2009

Gimpo Tollgate, 2008

The Seoul Ring Expressway (Expressway No.100)(Korean: 서울외곽순환고속도로, Seoul Oegwak Sunhwan Gosok Doro) is an expressway, circular beltway or ring road around Seoul, South Korea. It connects satellite cities around Seoul, Ilsan, Namyangju, Hanam, Pyeongchon, Jungdong, Bundang, Pangyo, Sanbon and Gimpo. The expressway runs 127.6 km. Seoul Ring Expressway is currently under construction to widen the expressway between Anhyeon Junction to Seongnam which is expected to be finished in 2016.

Since 2010, Gyeonggi Loop Bus connect the many Satellite town to each other through this Expressway.

History

• February 1988: Construction Begin of Pangyo to Toegyewon.
• 29 November 1991: Pangyo to Toegyewon Line opens to traffic.
• December 1991: Construction Begin of Sanbon to Pangyo.
• May 1992: Construction Begin of Seoun to Jangsu.
• December 1992: Construction Begin of Ilsan to Gimpo.
• June 1995: Construction Begin of Gimpo to Seoun, Jangsu to Sanbon.
• 28 December 1995: Pangyo to Sanbon Line opens to traffic.
• 3 November 1997: Gimpo to Jayuro Line opens to traffic.
• 24 July 1998: Seoun to Jangsu Line opens to traffic.
• 26 November 1999: Jangsu to Sanbon, Seoun to Gimpo Line opens to traffic.
• 11 September 2001: Ilsan to Jayuro Line opens to traffic.
• 30 June 2006: Ilsan to Songchu, Uijeongbu to Toegyewon Line open to traffic.
• 28 December 2007: Songchu to Uijeongbu Line open to traffic.
• 3 May 2010: Dori JC open to traffic.
• 28 May 2015: Howon IC open to traffic.
• Summer 2015: Widening of expressway from Anhyeon Jct. to Seongnam

Composition

Lanes

• Hanam JC~Gangil JC, Ilsan IC~Jayuro IC: 10
• Gangil JC~Ilsan IC, Jayuro IC~Hanam JC: 8

Length

• 128.02 km

Limited Speed

• 100 km/h

Tunnel

List of Facilities

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

No.	Name	Korean Name	Hanja Name	Connections	Notes	Location
1	Pangyo JC	판교분기점	板橋分岐點	Gyeongbu Expressway() 2nd Gyeongin Expressway	Busan-bound Only	Seongnam, Gyeonggi-do
2	Seongnam IC	성남나들목	城南나들목	National Route 3
TG	Seongnam TG	성남요금소	城南料金所		Main Tollgate
3	Songpa IC	송파나들목	松坡나들목	National Route 3		Songpa, Seoul
4	W.Hanam IC	서하남나들목	西河南나들목	Gangdong-daero (Seoul City Route 60)		Hanam, Gyeonggi-do
SA	Hanam SA	하남휴게소	西河南休憩所		Pangyo-bound Only
5	Hanam JC	하남분기점	河南分岐點	Jungbu Expressway
6	Sangil IC	상일나들목	上一나들목	National Route 43		Gangdong, Seoul
7	Gangil JC	강일분기점	江一分岐點	Seoul-Yangyang Expressway Olympicdaero
BR	Gangdong Bridge	강동대교	江東大橋
8	Topyeong IC	토평나들목	土坪나들목	National Route 6 National Route 43		Guri, Gyeonggi-do
TG	Guri·Namyangju TG	구리·남양주요금소	九里·南楊州料金所		Main Tollgate
9	Namyangju IC	남양주나들목	南楊州나들목	National Route 6		Namyangju, Gyeonggi-do
10	Guri IC	구리나들목	九里나들목	National Route 43 National Route 46		Guri, Gyeonggi-do
SA	Guri SA	구리휴게소	九里休憩所		Uijeongbu-bound Only
12	Toegyewon IC	퇴계원나들목	退溪院나들목	National Route 43 National Route 46 National Route 47		Namyangju, Gyeonggi-do
TG	Buramsan TG	불암산요금소	佛巖山料金所		Main Tollgate
13	Byeollae IC	별내나들목	別內나들목
14	Uijeongbu IC	의정부나들목	議政府나들목	National Route 3		Uijeongbu, Gyeonggi-do
14-1	Howon IC	호원나들목	虎院나들목
TN	Sapaesan TN	사패산터널	賜牌山터널		World's Largest Double-width Tunnel L=3,997m
15	Songchu IC	송추나들목	松楸나들목	National Route 39		Yangju, Gyeonggi-do
TG	Yangju TG	양주요금소	楊州料金所		Main Tollgate
16	Tongilro IC	통일로나들목	統一路나들목	National Route 1 (Tongil-ro)		Goyang, Gyeonggi-do
17	Goyang IC	고양나들목	高陽나들목	Provincial Route 356
18	Ilsan IC	일산나들목	一山나들목	Jungang-ro (Goyang City Route 74)
19	Jayuro IC	자유로나들목	自由路나들목	National Route 77 (Jayu-ro)
BR	Gimpo Bridge	김포대교	金浦大橋			Gimpo, Gyeonggi-do
20	Gimpo IC	김포나들목	金浦나들목	National Route 48
TG	Gimpo TG	김포요금소	金浦料金所		Main Tollgate
21	No-oji JC	노오지분기점	老梧地分岐點	Incheon Int'l Airport Expressway	Incheon Airport-bound Only	Gyeyang, Incheon
22	Gyeyang IC	계양나들목	桂陽나들목	National Route 39
23	Seoun JC	서운분기점	瑞雲分岐點	Gyeongin Expressway
24	Jungdong IC	중동나들목	中洞나들목	Gilju-ro		Bucheon, Gyeonggi-do
25	Songnae IC	송내나들목	松內나들목	National Route 46
26	Jangsu IC	장수나들목	長壽나들목	National Route 39 Yeongdong Expressway		Namdong, Incheon
27	Siheung IC	시흥나들목	始興나들목	National Route 39		Siheung, Gyeonggi-do
TG	Siheung TG	시흥요금소	始興料金所		Main Tollgate
28	Anhyeong JC	안현분기점	鞍峴分岐點	2nd Gyeongin Expressway
28-1	Dori JC	도리분기점	道理分岐點	Provincial Route 330 (3rd Gyeongin Highway)
29	Jonam JC	조남분기점	鳥南分岐點	Seohaean Expressway
30	Sanbon IC	산본나들목	山本나들목	National Route 47		Gunpo, Gyeonggi-do
31	Pyeongchon IC	평촌나들목	平村나들목	National Route 1 National Route 47		Anyang, Gyeonggi-do
32	Hagui JC	학의분기점	鶴儀分岐點	Gwacheon-Bongdam Highway		Uiwang, Gyeonggi-do
SA	Uiwang-Cheonggye SA	의왕청계휴게소	義王淸溪休憩所
TG	Cheonggye TG	청계요금소	淸溪料金所		Main Tollgate
1	Pangyo JC	판교분기점	板橋分岐點	Gyeongbu Expressway() 2nd Gyeongin Expressway	Busan-bound Only	Seongnam, Gyeonggi-do
Connected directly to Seongnam IC(Cycle Line)

See also

• Roads and expressways in South Korea
• Transportation in South Korea

External links

• MOLIT South Korean Government Transport Department

South Korean expressways
South–North	1 (Gyeongbu) 15 (Seohaean) 17 Pyeongtaek–Hwaseong Suwon–Munsan 25 Honam Nonsan–Cheonan 27 (Suncheon–Wanju) 35 Tongyeong–Daejeon Jungbu 37 (2nd Jungbu) 45 (Jungbu Naeryuk) 55 (Jungang) 65 (Donghae)
West–East	10 (Namhae) 12 Muan–Gwangju Gwangju–Daegu 16 (Ulsan) 20 (Iksan–Pohang) 30 (Dangjin–Yeongdeok) 40 (Pyeongtaek–Jecheon) 50 (Yeongdong) 52 (Gwangju–Wonju) 60 (Seoul–Yangyang)
Belt	100 (Seoul Ring) 300 (Daejeon Southern Ring) 400 (Capital Region 2nd Ring)
Metropolitan Area	110 (2nd Gyeongin) 120 (Gyeongin) 130 (Incheon Int'l Airport)
Branch	102 (Namhae Branch 1) 104 (Namhae Branch 2) 151 (Seocheon–Gongju) 153 (Pyeongtaek–Siheung) 171 Osan–Hwaseong Yongin–Seoul 251 (Honam Branch) 253 (Gochang–Damyang) 451 (Jungbu Naeryuk Branch) 551 (Jungang Branch)
Planned	14 (Hamyang–Ulsan) 29 (Sejong–Pocheon) 32 (Asan–Cheongju) 105 (Namhae Branch 3) 202 (Iksan–Pohang Branch) 301 (Sangju–Yeongcheon) 500 (Gwangju Ring) 600 (Busan Ring) 700 (Daegu Ring)