Seosan–Yeongdeok Expressway
Seosan–Yeongdeok Expressway also known as 6th East–West Expressway is an expressway in South Korea connecting Dangjin to Yeongdeok County.
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
- 27 August 2009 : Magoksa IC opened
- 18 December 2009 : Nakdong JC-Yeongdeok IC begins construction
- 23 December 2009 : N.Yuseong IC opened
- 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
- 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
- 26 December 2016 : Nakdong JC - Yeongdeok IC segment opened to traffic
Compositions
; Lanes- Dangjin JC ~ Hoedeok JC, Cheongju JC ~ Yeongdeok IC : 4 lanes
- Hoedeok JC ~ Cheongju JC : 8 lanes
- 197.88 km
- 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 |
| Daeheung Tunnel | Jigok-ri, Daeheung-myeon, Yesan County, South Chungcheong Province | 562m | 2009 | Dangjin-bound |
| Chadong Tunnel | Chadong-ri, Sinyang-myeon, Yesan County, South Chungcheong Province | 363m | 2009 | Yeongdeok-bound |
| Chadong Tunnel | Nokcheon-ri, Yugu-eup, Gongju, South Chungcheong Province | 315m | 2009 | Dangjin-bound |
| Sinyeong Tunnel | Nokcheon-ri, Yugu-eup, Gongju, South Chungcheong Province | 686m | 2009 | Yeongdeok-bound |
| Sinyeong Tunnel | Sinyeong-ri, Yugu-eup, Gongju, South Chungcheong Province | 680m | 2009 | Dangjin-bound |
| Hwaheung Tunnel | Yugu-ri, Yugu-eup, Gongju, South Chungcheong Province | 305m | 2009 | Yeongdeok-bound |
| Hwaheung Tunnel | Hwaheung-ri, Sinpung-myeon, Gongju, South Chungcheong Province | 305m | 2009 | Dangjin-bound |
| Haewol Tunnel | Haewol-ri, Sagok-myeon, Gongju, South Chungcheong Province | 492m | 2009 | Yeongdeok-bound |
| Haewol Tunnel | Hogye-ri, Sagok-myeon, Gongju, South Chungcheong Province | 440m | 2009 | Dangjin-bound |
| Hogye Tunnel | Hogye-ri, Sagok-myeon, Gongju, South Chungcheong Province | 562m | 2009 | Yeongdeok-bound |
| Hogye Tunnel | Hogye-ri, Sagok-myeon, Gongju, South Chungcheong Province | 550m | 2009 | Dangjin-bound |
| Yuseong Tunnel | Banseok-dong, Yuseong District, Daejeon | 315m | 2009 | Yeongdeok-bound |
| Yuseong Tunnel | Hagi-dong, Yuseong District, Daejeon | 315m | 2009 | 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 |
| Munui 1 Tunnel | Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province | 451m | 2007 | Dangjin-bound |
| Munui 2 Tunnel | Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province | 220m | 2007 | Yeongdeok-bound |
| Munui 2 Tunnel | Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province | 120m | 2007 | Dangjin-bound |
| Pibanryeong Tunnel | Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province | 1,952m | 2007 | Yeongdeok-bound |
| Pibanryeong Tunnel | Magu-ri, Munui-myeon, Sangdang District, Cheongju, North Chungcheong Province | 2,014m | 2007 | Dangjin-bound |
| Hoein Tunnel | Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province | 220m | 2007 | Yeongdeok-bound |
| Hoein Tunnel | Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province | 215m | 2007 | Dangjin-bound |
| Suriti Tunnel | Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province | 903m | 2007 | Yeongdeok-bound |
| Suriti Tunnel | Geoncheon-ri, Hoebuk-myeon, Boeun County, North Chungcheong Province | 825m | 2007 | 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 |
| Naeseo 2 Tunnel | Gogok-ri, Naeseo-myeon, Sangju, North Chungcheong Province | 418m | 2007 | Dangjin-bound |
| Naeseo 3 Tunnel | Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province | 500m | 2007 | Yeongdeok-bound |
| Naeseo 3 Tunnel | Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province | 520m | 2007 | Dangjin-bound |
| Naeseo 4 Tunnel | Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province | 1,335m | 2007 | Yeongdeok-bound |
| Naeseo 4 Tunnel | Neungam-ri, Naeseo-myeon, Sangju, North Chungcheong Province | 1,370m | 2007 | 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
- 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
- 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
- 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; Sejong
- Janggun-myeon - Yeongi-myeon
- Gongju Banpo-myeon
- Geumnam-myeon
; North Chungcheong Province
; North Gyeongsang Province
- Sangju - Uiseong County - Andong Iljik-myeon - Uiseong County - Yeongdeok County
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