Seosan–Yeongdeok Expressway

Seosan–Yeongdeok Expressway (Korean: 서산영덕고속도로; Hanja: 瑞山盈德高速道路; RR: Seosan–Yeongdeok Gosokdoro) also known as 6th East–West Expressway is an expressway in South Korea connecting Dangjin to Yeongdeok County.

Expressway No.30
Seosan-Yeongdeok Expressway 서산영덕고속도로
Route information
Length	305.5 km (189.8 mi)
Existed	28 November 2007–present
Major junctions
East end	Dangjin-dong, Dangjin, South Chungcheong Province
West end	Yeongdeok-eup, Yeongdeok County, North Gyeongsang Province
Location
Country	South Korea
Major cities	Dangjin, Gongju, Sejong, Daejeon, Cheongju, Sangju, Andong
Highway system
Highway systems of South Korea Expressways National Local

Seosan–Yeongdeok Expressway
Hangul	서산영덕고속도로
Hanja	瑞山盈德高速道路
Revised Romanization	Dangjin Yeongdeok Gosok Doro
McCune–Reischauer	Tangjin Yŏngdŏk Kosok Toro

Numbered 30, it means an East–West expressway. At 305.5 km, it is the fifth-longest expressway in South Korea. Two sections of the route, Dangjin-Daejeon Expressway and Cheongju-Yeongdeok Expressway is directly connected with Gyeongbu Expressway.

History

• 28 November 2007: Cheongwon JC-Nakdong JC segment opens to traffic^[1]
• 27 August 2009 : Magoksa IC opened^[2]
• 18 December 2009 : Nakdong JC-Yeongdeok IC begins construction^[3]
• 23 December 2009 : N.Yuseong IC opened^[4]
• 28 June 2012 : Nakdong JC-Sangju JC begins construction
• 1 July 2012 : E.Gongju IC and N.Yuseong IC changed the name to E.Sejong IC and S.Sejong IC ^[5]
• 1 December 2014 : Cheongwon JC changed to Cheongju JC, Cheongwon-Sangju Expressway changed to Cheongju-Sangju Expressway
• 23 December 2016 : Nakdong JC - Yeongdeok IC section was scheduled to open, but it was delayed to 00:00 on 26 December due to additional security problems. The postponement was announced during the opening ceremony on the 23rd^[6]
• 26 December 2016 : Nakdong JC - Yeongdeok IC segment opened to traffic^[7]

Compositions

Lanes

• Dangjin JC ~ Hoedeok JC, Cheongju JC ~ Yeongdeok IC : 4 lanes
• Hoedeok JC ~ Cheongju JC (Gyeongbu Expressway overlap) : 8 lanes

Length

• 197.88 km

Speed limit

• Dangjin JC ~ Yuseong JC, Cheongju JC ~ Nakdong JC  : 110 km/h
• Yuseong JC ~ Cheongju JC, Nakdong JC ~ Yeongdeok IC : 100 km/h

Tunnels

Dangjin ~ Daejeon section

Name	Location	Length	Completion year	Note
Daeheung Tunnel	Sonji-ri, Daeheung-myeon, Yesan County, South Chungcheong Province	556m	2009	Yeongdeok-bound
	Jigok-ri, Daeheung-myeon, Yesan County, South Chungcheong Province	562m		Dangjin-bound
Chadong Tunnel	Chadong-ri, Sinyang-myeon, Yesan County, South Chungcheong Province	363m	2009	Yeongdeok-bound
	Nokcheon-ri, Yugu-eup, Gongju, South Chungcheong Province	315m		Dangjin-bound
Sinyeong Tunnel	Nokcheon-ri, Yugu-eup, Gongju, South Chungcheong Province	686m	2009	Yeongdeok-bound
	Sinyeong-ri, Yugu-eup, Gongju, South Chungcheong Province	680m		Dangjin-bound
Hwaheung Tunnel	Yugu-ri, Yugu-eup, Gongju, South Chungcheong Province	305m	2009	Yeongdeok-bound
	Hwaheung-ri, Sinpung-myeon, Gongju, South Chungcheong Province			Dangjin-bound
Haewol Tunnel	Haewol-ri, Sagok-myeon, Gongju, South Chungcheong Province	492m	2009	Yeongdeok-bound
	Hogye-ri, Sagok-myeon, Gongju, South Chungcheong Province	440m		Dangjin-bound
Hogye Tunnel	Hogye-ri, Sagok-myeon, Gongju, South Chungcheong Province	562m	2009	Yeongdeok-bound
		550m		Dangjin-bound
Yuseong Tunnel	Banseok-dong, Yuseong District, Daejeon	315m	2009	Yeongdeok-bound
	Hagi-dong, Yuseong District, Daejeon			Dangjin-bound

Cheongju ~ Sangju section

Name	Location	Length	Completion year	Note
Munui 1 Tunnel	Nohyeon-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province	536m	2007	Yeongdeok-bound
	Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province	451m		Dangjin-bound
Munui 2 Tunnel	Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province	220m	2007	Yeongdeok-bound
		120m		Dangjin-bound
Pibanryeong Tunnel	Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province	1,952m	2007	Yeongdeok-bound
		2,014m		Dangjin-bound
Hoein Tunnel	Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province	220m	2007	Yeongdeok-bound
		215m		Dangjin-bound
Suriti Tunnel	Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province	903m	2007	Yeongdeok-bound
		825m		Dangjin-bound
Suhan Tunnel	Gyoam-ri, Suhan-myeon, Boeun County, North Chungcheong Province	214m	2007
Tanbu Tunnel	Goseung-ri, Tanbu-myeon, Boeun County, North Chungcheong Province	220m	2007
Hwaseo 1 Tunnel	Sinbong-ri, Hwaseo-myeon, Sangju, North Chungcheong Province	225m	2007
Hwaseo 2 Tunnel	Sanggok-ri, Hwaseo-myeon, Sangju, North Chungcheong Province	128m	2007
Naeseo 1 Tunnel	Gogok-ri, Naeseo-myeon, Sangju, North Chungcheong Province	131m	2007
Naeseo 2 Tunnel	Gogok-ri, Naeseo-myeon, Sangju, North Chungcheong Province	470m	2007	Yeongdeok-bound
		418m		Dangjin-bound
Naeseo 3 Tunnel	Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province	500m	2007	Yeongdeok-bound
		520m		Dangjin-bound
Naeseo 4 Tunnel	Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province	1,335m	2007	Yeongdeok-bound
		1,370m		Dangjin-bound

• Nakdong Tunnel
• Danmil 1 Tunnel
• Danmil 2 Tunnel
• Danmil 3 Tunnel
• Danmil 4 Tunnel
• Ansa 1 Tunnel
• Ansa 2 Tunnel
• Anpyeong 1 Tunnel
• Anpyeong 2 Tunnel
• Anpyeong 3 Tunnel
• Danchon 1 Tunnel
• Danchon 2 Tunnel
• Danchon 3 Tunnel
• Danchon 4 Tunnel
• Oksan Tunnel
• Gilan 1 Tunnel
• Gilan 2 Tunnel
• Gilan 3 Tunnel
• Gilan 4 Tunnel
• Sailsan Tunnel
• Pacheon 1 Tunnel
• Pacheon 2 Tunnel
• Pacheon 3 Tunnel
• Jinbo Tunnel
• Jipum 1 Tunnel
• Jipum 2 Tunnel
• Jipum 3 Tunnel
• Jipum 4 Tunnel
• Jipum 5 Tunnel
• Jipum 6 Tunnel
• Jipum 7 Tunnel
• Jipum 8 Tunnel
• Jipum 9 Tunnel
• Jipum 10 Tunnel
• Dalsan 1 Tunnel
• Dalsan 2 Tunnel
• Dalsan 3 Tunnel
• Yeongdeok Tunnel

Bridges

Dangjin-Cheongju section Sagiso Bridge Samung Bridge Seongha 2 Bridge Wondong 1 Bridge Wondong 2 Bridge Monggok Bridge Jagae 2 Bridge Godeok 2 Bridge Godeok 3 Bridge Daecheoncheon Bridge Seokgok 1 Bridge Yongri 1 Bridge Yongri 2 Bridge Sapgyocheon Bridge Hapo Bridge Buncheon 1 Bridge Buncheon 2 Bridge Buncheon 3 Bridge Jwabang 1 Bridge Jwabang 2 Bridge Sinseokyuk Bridge Wolgok Bridge Sinjang 1 Bridge Sinjang 2 Bridge Sinjang 3 Bridge Yesan Bridge Sonji Bridge Tanbang Bridge Seogyeyang Bridge Nokmun Bridge Sinyang 1 Bridge Sinyang 2 Bridge Daedeok Bridge Chadong 1 Bridge Chadong 2 Bridge Nokcheon 1 Bridge Nokcheon 2 Bridge Seungji Bridge Yugu 1 Bridge Yugu 2 Bridge Hwaheung 1 Bridge Hwaheung 2 Bridge Hwaheung 3 Bridge Haewol Bridge Haewol 1 Bridge Hogye Bridge Saedeul Bridge Hongcheon Bridge Dongdae Bridge Bangmun Bridge Sangseo Bridge Docheon 1 Bridge Docheon 2 Bridge Sinung Bridge Gwisan Bridge Jeongancheon Bridge Cheongryong 1 Bridge Cheongryong 2 Bridge Habong 2 Bridge Eunyong Bridge Sanak 3 Bridge Daegyocheon Bridge Songwon Bridge Geumgang Bridge (488m long) Yongsucheon Bridge Ansan 1 Bridge Ansan 2 Bridge Yuseong Bridge Hagi 1 Bridge Hagi 2 Bridge Hagi 3 Bridge Tandong Bridge Jangdong Bridge Seolmok Overpass Hwaam Bridge Gapcheon Bridge Sangseo 1 Bridge Seokbong Overpass Geumgang 1 Bridge Maebongcheol Overpass Maebong 1 Overpass Seondong Bridge Sidong Bridge Jukjeon Bridge Jukam Bridge Nami Bridge Nami Overpass

Cheongju-Yeongdeok section Cheoksan 2 Bridge Cheoksan 3 Bridge Cheogksan 4 Bridge Namgye 1 Bridge Namgye 2 Bridge Namgye 3 Bridge Gukjeon Bridge Samhang 1 Bridge Munui Bridge Nohyeon Bridge Yongchon Bridge Hoein Bridge Busu 1 Bridge Busu 2 Bridge Hoein Bridge (925m long) Geoncheon Bridge Suriti Bridge Chajeong Bridge Dongjeong Bridge Bocheong Bridge Gyoam 1 Bridge Gyoam 2 Bridge Seongri Bridge Sogye Bridge Geumgul Bridge Bocheongcheon Bridge Sangjang 1 Bridge Sangjang 2 Bridge Samgacheon Bridge Bongbi Bridge Bulmok 1 Bridge Sumun Bridge Galpyeong Bridge Gubyeongsan Bridge Pyeongon Bridge Sangreung Bridge Geumsan Bridge Dalcheon 1 Bridge Dalcheon 2 Bridge Dalcheon 3 Bridge Jisan 1 Bridge Jisan 2 Bridge Hwaseo Bridge Samgok Bridge Seowon 1 Bridge Seowon 2 Bridge Seowon 3 Bridge Seowon 4 Bridge Gogok 1 Bridge Gogok 2 Bridge Naeseo 1 Bridge Naeseo 2 Bridge Neungam Bridge Jisa Bridge Gajang Bridge Byeongseongcheon 1 Bridge Byeongseongcheon 2 Bridge Jicheon 2 Bridge Jicheon 3 Bridge Jicheon 4 Bridge Unpyeong 1 Bridge Unpyeong 2 Bridge Seoje Bridge Dodeok 1 Bridge Dodeok 2 Bridge Samchun 1 Bridge Jangrimcheon Bridge Gilancheon Bridge Mukgye 1 Bridge Yonggyecheon Bridge Yongjeoncheon Bridge Seosicheon Bridge Jipum 2 Bridge Osipcheon 1 Bridge Osipcheon 2 Bridge Yongdeokcheon Bridge Soseocheon Bridge Daeseocheon Bridge

Major stopovers

South Chungcheong Province

• Dangjin (Sagiso-dong - Myeoncheon-myeon) - Yesan County (Bongsan-myeon - Godeok-myeon - Sapgyo-eup - Oga-myeon - Eungbong-myeon - Daeheung-myeon - Sanyang-myeon) - Gongju (Yugu-eup - Sinpung-myeon - Sagok-myeon - Useong-myeon - Wolmi-dong - Useong-myeon - Uidang-myeon)

Sejong

• Janggun-myeon - Yeongi-myeon

South Chungcheong Province

• Gongju Banpo-myeon

Sejong

• Geumnam-myeon

Daejeon

• Yuseong District (Ansan-dong - Oesam-dong - Banseok-dong - Oesam-dong - Hagi-dong - Jaun-dong - Jang-dong - Banghyeon-dong - Hwaam-dong - Gwanpyeong-dong - Yongsan-dong - Tamnip-dong - Jeonmin-dong) - Daedeok District (Sindae-dong - Wa-dong - Sangseo-dong - Deokam-dong - Moksang-dong - Seokbong-dong)

North Chungcheong Province

• Cheongju Seowon District (Hhyeondo-myeon - Nami-myeon) - Cheongju Sangdang District (Munui-myeon - Gadeok-myeon) - Boeun County (Hoein-myeon - Suhan-myeon - Boeun-eup - Tanbu-myeon - Jangan-myeon - Maro-myeon)

North Gyeongsang Province

• Sangju (Hwanam-myeon - Hwaseo-myeon - Naeseo-myeon - [[Oenam-myeon - Gaeun-dong - Gajang-dong - Yangchon-dong - Jicheon-dong - Odae-dong - Geodong-dong - Nakdong-myeon) - Uiseong County (Danmil-myeon - Danbuk-myeon - Angye-myeon - Ansa-myeon - Anpyeong-myeon) - Andong Iljik-myeon - Uiseong County (Danchon-myeon - Jeomgok-myeon - Oksan-myeon) - Andong]] Gilan-myeon - Cheongsong County (Pacheon-myeon - Jinbo-myeon) - Yeongdeok County (Jipum-myeon - Dalsan-myeon - Ganggu-myeon - Yeongdeok-eup)

List of facilities

• IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate
  • Light purple(■): Honam Expressway overlap
  • Light green(■): Gyeongbu Expressway overlap
  • Light blue(■): Sangju-Yeongcheon Expressway overlap

No.	Name	Korean name	Distance		Connection	Location		Note
1	Dangjin JC	당진 분기점	-	0.00	Seohaean Expressway	South Chungcheong Province	Dangjin
2	Myeoncheon IC	면천 나들목	4.04	4.04	Local Route 70 (Myeoncheon-ro) Ami-ro
SA	(Myeoncheon SA)	(면천휴게소)
3	Godeok IC	고덕 나들목	8.66	12.70	National Route 40 (Yedeok-ro)		Yesan County
4	Yesan-Sudeoksa IC	예산수덕사 나들목	11.68	24.38	National Route 21 (Chungseo-ro)
SA	Yesan SA	예산휴게소
5	Sinyang IC	신양 나들목	12.51	36.89	Local Route 70 (Cheongsin-ro)
6	Yugu IC	유구 나들목	10.53	47.42	National Route 39 (Geumgyesan-ro)		Gongju
SA	(Sinpung SA)	(신풍휴게소)
7	Magoksa IC	마곡사 나들목	9.14	56.56	National Route 32 (Chadong-ro)			Dangjin-bound Only
8	W.Gongju JC	서공주 분기점	3.79	60.35	Seocheon-Gongju Expressway
9	Gongju JC	공주 분기점	2.67	63.02	Nonsan-Cheonan Expressway
10	Gongju IC	공주 나들목	2.87	65.89	Nonsan-Cheonan Expressway National Route 23 (Charyeong-ro) National Route 32 (Geumbyeong-ro) National Route 36 (Chadong-ro·Charyeong-ro) Baekjekeun-gil
SA	Gongju SA	공주휴게소
11	W. Sejong IC	서세종 나들목	7.00	72.89	National Route 36 (Janggi-ro)	Sejong		Former E.Gongju IC
12	S.Sejong IC	남세종 나들목	12.56	85.45	National Route 1 (Sejong-ro) Bukyuseong-daero			Former N.Yuseong IC
13	Yuseong JC	유성 분기점	6.13	91.58	Honam Expressway Branch	Daejeon	Yuseong District
	N.Daejeon IC	북대전 나들목	4.61	96.19	Local Route 32 (Daedeok-daero) Local Route 57 (Daedeok-daero)
	Hoedeok JC	회덕 분기점	3.61	99.80	Gyeongbu Expressway Honam Expressway Branch		Daedeok District
SA	Sintanjin SA	신탄진휴게소						Yeongdeok-bound Only
	Sintanjin IC	신탄진 나들목	4.08	103.88	National Route 17 (Sintanjin-ro) Sintanjin-ro 681beon-gil
SA	Jugam SA	죽암휴게소				North Chungcheong Province	Cheongju
	S.Cheongju IC	남청주 나들목	11.08	114.96	National Route 17 (Cheongnam-ro) Local Route 96 (Yeoncheong-ro·Cheongnam-ro)			Former Cheongwon IC
17	Cheongju JC	청주 분기점	3.50	118.46	Gyeongbu Expressway			Former Cheongwon IC
18	Munui IC	문의 나들목	8.10	126.56	Local Route 32 (Micheongoeun-ro)
19	Hoein IC	회인 나들목	10.70	137.26	National Route 25 (Bocheong-daero)		Boeun County
20	Boeun IC	보은 나들목	10.82	148.08	National Route 19 (Nambu-ro)
21	Songnisan IC	속리산 나들목	5.98	154.06	National Route 25 (Bocheong-daero)
SA	Songnisan SA	속리산휴게소						Dangjin-bound Only
SA	Hwaseo SA	화서휴게소				North Gyeongsang Province	Sangju	Yeongdeok-bound Only
22	Hwaseo IC	화서 나들목	16.23	170.29	National Route 25 (Yeongnamjeil-ro) Local Route 49 (Yeongnamjeil-ro)
23	S.Sangju IC	남상주 나들목	18.95	189.24	National Route 3 (Gyeongsang-daero)
24	Nakdong JC	낙동 분기점	8.64	197.88	Jungbu Naeryuk Expressway Sangju-Yeongcheon Expressway
25	Sangju JC	상주 분기점			Sangju-Yeongcheon Expressway
26	E.Sangju IC	동상주 나들목			National Route 25 (Nakdong-daero) National Route 59 (Sangjudain-ro·Yeongnamjeil-ro)
27	W.Uiseong IC	서의성 나들목			National Route 28 (Seobu-ro)		Uiseong County
SA	Uiseong SA	의성휴게소
28	Andong JC	안동 분기점			Jungang Expressway		Andong
29	N.Uiseong IC	북의성 나들목			National Route 5 (Gyeongbuk-daero) Local Route 914 (Gyeongbuk-daero)		Uiseong County
SA	Jeomgok SA	점곡휴게소						Yeongdeok-bound Only
SA	Oksan SA	옥산휴게소						Dangjin-bound Only
30	E.Andong IC	동안동 나들목			National Route 35 (Chunghyo-ro)		Andong
SA	Cheongsong SA	청송휴게소					Cheongsong County
31	Cheongsong IC	청송 나들목			National Route 31 (Cheongsong-ro)
32	E.Cheongsong-Yeongyang IC	동청송영양 나들목			National Route 34 (Gyeongdong-ro)
TG	Yeongdeok TG	영덕 요금소					Yeongdeok County
34	Yeongdeok IC	영덕 나들목			National Route 7 (Donghae-daero)

See also

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