Seoul Ring Expressway

The Seoul Ring Expressway (Expressway No.100) (Korean: 서울외곽순환고속도로; RR: 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.

Expressway No.100
Seoul Ring Expressway
서울외곽순환고속도로
Route information
Length128.02 km (79.55 mi)
Existed1992–present
Major junctions
Cycle endPangyo JC in Seongnam, Gyeonggi Province
Gyeongbu Expressway
 33
Cycle endPangyo JC in Seongnam, Gyeonggi Province
Gyeongbu Expressway
Location
Major citiesSeongnam, Hanam, Guri, Uijeongbu, Goyang, Gimpo, Incheon, Bucheon, Siheung, Anyang
Highway system
Highway systems of South Korea
Seoul Ring Expressway
Hangul
Hanja
Revised RomanizationSeoul oegwaksunhwan gosokdoro
McCune–ReischauerSŏul oegwaksunhwan kosoktoro
Seoun Junction, 2008
Jonam Junction, 2009
Guri-Namyangju Tollgate, 2017

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.
  • Winter 2015: 확장공사

Composition

Lanes
  • Hanam JC~Gangil JC, Ilsan IC~Jayuro (Rigid Pavement) IC: 10
  • Gangil JC~Ilsan IC, Jayuro IC~Hanam-Jirisan Mountain-Seongsan (Rigid Pavement) (68 km) (42.25 mi) JC: 8

Length
  • 128.02 km

Limited Speed
  • 100 km/h

Tunnel
Name Korean Name Location Length Date of Completion Notes
Gwangam Tunnel(Guri)광암터널(구리) Hanam, Gyeonggi-do726m2002
Gwangam Tunnel(Pangyo1)광암터널(판교1) 743m1991
Gwangam Tunnel(Pangyo2)광암터널(판교2) 752m
Buramsan Tunnel(Ilsan)불암산터널(일산) Nowon, Seoul1,685m2006
Buramsan Tunnel(Guri)불암산터널(구리) 1,665m
Suraksan Tunnel수락산터널 Uijeongbu, Gyeonggi-do2,950m2006
Howon Tunnel(Ilsan)호원터널(일산) Uijeongbu, Gyeonggi-do180m2007
Howon Tunnel(Guri)호원터널(구리) 149m
Sapaesan Tunnel(Ilsan)사패산터널(일산) Yangju, Gyeonggi-do3,997m2007
Sapaesan Tunnel(Guri)사패산터널(구리) 3,993m
Nogosan 1 Tunnel(Ilsan)노고산1터널(일산) Yangju, Gyeonggi-do2,177m2006
Nogosan 1 Tunnel(Guri)노고산1터널(구리) 2,197m
Nogosan 2 Tunnel(Ilsan)노고산2터널(일산) Yangju, Gyeonggi-do975m2006
Nogosan 2 Tunnel(Guri)노고산2터널(구리) 995m
Sorae Tunnel(Pangyo)소래터널(판교) Siheung, Gyeonggi-do421m1999
Sorae Tunnel(Ilsan)소래터널(일산) 446m
Suam Tunnel(Pangyo)수암터널(판교) Anyang, Gyeonggi-do1,254m1999
Suam Tunnel(Ilsan)수암터널(일산) 1,294m
Suri Tunnel(Pangyo)수리터널(판교) Gunpo, Gyeonggi-do1,865m1999
Suri Tunnel(Ilsan)수리터널(일산) 1,882m
Anyang Tunnel안양터널 Anyang, Gyeonggi-do390m1996
Cheonggye Tunnel(Pangyo)청계터널(판교) Uiwang, Gyeonggi-do550m1995
Cheonggye Tunnel(Ilsan)청계터널(일산) 450m

List of Facilities
  • IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate
No.NameKorean NameHanja NameConnectionsDistanceNotesLocation
1 Pangyo JC판교분기점板橋分岐點 Gyeongbu Expressway()-0.00Busan-bound OnlySeongnamGyeonggi
2 Seongnam IC성남나들목城南나들목 National Route 3
Moran Station
( Line 8, Bundang)		4.164.16
TG Seongnam TG성남요금소城南料金所Main Tollgate
3 Songpa IC송파나들목松坡나들목 National Route 3
Local Route 342
Heolleung-ro(헌릉로)
Wiryejungang-ro(위례중앙로)
Suseo Station
( Line 3, Bundang)		5.209.36SongpaSeoul
4 W.Hanam IC서하남나들목西河南나들목Gangdong-daero
(Seoul City Route 60)		5.0014.36HanamGyeonggi
SA Hanam SA하남휴게소西河南休憩所Pangyo-bound Only
5 Hanam JC하남분기점河南分岐點 Jungbu Expressway4.9619.32
6 Sangil IC상일나들목上一나들목 National Route 43 (Jojeong-daero-Cheonho-daero)
Seoul City Route 50 (Cheonho-daero)
Sangil-dong Station ( Line 5)		2.5321.85GangdongSeoul
7 Gangil JC강일분기점江一分岐點 Seoul-Yangyang Expressway
Olympicdaero		3.0424.89
BR Gangdong Bridge강동대교江東大橋
8 Topyeong IC토평나들목土坪나들목 National Route 6
Gangbyeonbuk-ro		0.9925.88GuriGyeonggi
TG Guri·Namyangju TG구리·남양주요금소九里·南楊州料金所Main Tollgate
9 Namyangju IC남양주나들목南楊州나들목 National Route 6
Guri Station
( Gyeongui·Jungang)		2.4028.28Namyangju
10 Guri IC구리나들목九里나들목 National Route 43
National Route 46
Bukbu Urban Expressway		1.9030.18Guri
SA Guri SA구리휴게소九里休憩所Uijeongbu-bound Only
12 Toegyewon IC퇴계원나들목退溪院나들목 National Route 43
National Route 46
National Route 47
Byeollae Station
( Gyeongchun)		2.7332.91Namyangju
TG Buramsan TG불암산요금소佛巖山料金所Main Tollgate
13 Byeollae IC별내나들목別內나들목Buram-ro(불암로)2.3935.30
14 Uijeongbu IC의정부나들목議政府나들목 National Route 3
Dongbu Urban Expressway
Jangam Station ( Line 7)		7.3042.60Uijeongbu
14-1 Howon IC호원나들목虎院나들목 National Route 3
Seobu-ro(서부로)		1.6044.20
TN Sapaesan TN사패산터널賜牌山터널World's Largest
Double-width Tunnel
L=3,997m
15 Songchu IC송추나들목松楸나들목 National Route 39
Bukhansan-ro(북한산로)		6.2050.40Yangju
TG Yangju TG양주요금소楊州料金所Main Tollgate
16 Tongilro IC통일로나들목統一路나들목 National Route 1
(Tongil-ro / 통일로)		9.2059.60Goyang
17 Goyang IC고양나들목高陽나들목Local Route 356
Goyang City Hall		7.4067.00
18 Ilsan IC일산나들목一山나들목Goyang Jungang-ro(고양 중앙로)
Daegok Station
( Line 3, Gyeongui·Jungang)		2.9769.97
19 Jayuro IC자유로나들목自由路나들목 National Route 77
(Jayu-ro / 자유로)		2.2172.18
BR Gimpo Bridge김포대교金浦大橋Gimpo
20 Gimpo IC김포나들목金浦나들목 National Route 483.1175.29
TG Gimpo TG김포요금소金浦料金所Main Tollgate
21 No-oji JC노오지분기점老梧地分岐點 Incheon Int'l Airport Expressway3.7579.04Incheon Airport-bound OnlyGyeyangIncheon
22 Gyeyang IC계양나들목桂陽나들목 National Route 39
Imhak Station (● Incheon Line 1)		3.0282.06
23 Seoun JC서운분기점瑞雲分岐點 Gyeongin Expressway2.2584.31
24 Jungdong IC중동나들목中洞나들목Gilju-ro(길주로)
Sangdong Station ( Line 7)
Sangdong Lake Park
Incheon Samsan World Stadium		2.0886.39BucheonGyeonggi
25 Songnae IC송내나들목松內나들목 National Route 46
Songnae Station ( Line 1)		2.0288.41
26 Jangsu IC장수나들목長壽나들목 National Route 39
Yeongdong Expressway
Incheon Grand Park		2.4190.82NamdongIncheon
27 Siheung IC시흥나들목始興나들목 National Route 394.2195.03SiheungGyeonggi
TG Siheung TG시흥요금소始興料金所Main Tollgate
28 Anhyeong JC안현분기점鞍峴分岐點 2nd Gyeongin Expressway2.6697.69
28-1 Dori JC도리분기점道理分岐點 3rd Gyeongin Highway
(Local Route 330)		4.81102.50
29 Jonam JC조남분기점鳥南分岐點 Seohaean Expressway4.44106.94
30 Sanbon IC산본나들목山本나들목 National Route 47
Gunpo City Hall
Sanbon Station ( Line 4)		5.27112.21Gunpo
31 Pyeongchon IC평촌나들목平村나들목 National Route 1
National Route 47
Anyang City Hall
Beomgye Station ( Line 4)		4.13116.34Anyang
32 Hagui JC학의분기점鶴儀分岐點 Gwacheon-Bongdam Highway
(Local Route 309)		2.86119.20Uiwang
SA Uiwang-Cheonggye SA의왕청계휴게소義王淸溪休憩所
TG Cheonggye TG청계요금소淸溪料金所Main Tollgate
1 Pangyo JC판교분기점板橋分岐點 Gyeongbu Expressway()8.82128.02Busan-bound OnlySeongnam
Connected directly to Seongnam IC(Cycle Line)

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

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