National Route 4 is a national highway in South Korea that connects the cities of Gunsan and Gyeongju. It opened on 31 August 1971.대통령령 제5771호 일반국도노선지정령, 1971년 8월 31일 제정.
History
1970s–2000s August 31, 1971: The Gunsan-Gyeongju line became National Route No. 4 by the General National Route Designation Ordinance.Presidential Decree No. 5771 General National Route Designation Ordinance, enacted on August 31, 1971. September 8, 1973: Due to alignment improvements, the 1.8 km section from Deukyun-ri, Gwangseok-myeon, Nonsan-gun to Galsan-ri, Seongdong-myeon, the 650m section from Namchon-ri, Hongsan-myeon, Buyeo-gun to Bukchon-ri were changed to 400m, the 4 km section from Gyuam-ri, Gyuam-myeon, Buyeo-gun to Gugyo-ri, Buyeo-eup was changed to 3 km, and the 160m section from Songnae-ri, Maseo-myeon, Seocheon-gun were changed to 140m.Ministry of Construction Notice No. 375, September 8, 1973. March 23, 1988: The 1.57 km section from Gyesan-ri, Yeongdong-eup, Yeongdong-gun opened, discontinuing the existing 1.5 km section.Daejeon Regional Land Management Office Notice No. 8, March 23, 1988 February 18, 1995: The 5 km section from Buyong-ri to Jugok-ri, Yeongdong-eup, Yeongdong-gun opened, discontinuing the existing 3.8 km section.Daejeon Regional Office of Land and Infrastructure Public Notice No. 1995-32, February 18, 1995. July 1, 1996: The terminus was changed from 'Gampo-eup, Wolseong-gun, Gyeongsangbuk-do' to 'Gampo-eup, Gyeongju-si, Gyeongsangbuk-do'.대통령령 제15101호 일반국도노선지정령, 1996년 7월 1일 일부개정. January 12, 1998: A new 2.7 km section opened from Gyuam-ri, Gyuam-myeon, Buyeo-gun to Dongnam-ri, Buyeo-eup, and the existing 1.5 km section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 1998-3, January 12, 1998. May 8, 1998: The 6 km section from Gwanho-ri, Yakmok-myeon, Chilgok-gun to Samcheong-ri, Waegwan-eup was expanded and opened, and the existing 4.68 km section was abolished.Busan Regional Office of Land, Infrastructure and Transport Notice No. 1998-154, May 8, 1998. April 1, 1999: The 9.72 km section from Godang-ri, Simcheon-myeon, Yeongdong-gun to Buyong-ri, Yeongdong-eup was expanded and opened, and the existing 2.4 km section was abolished.Daejeon Regional Land Management Office Notice No. 1999-69, March 30, 1999. July 23, 1999: The 1.32 km section between Jwahong-ri and Namchon-ri, Hongsan-myeon, Buyeo-gun, opened for expansion, and the existing 1.21 km section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 1999-167, July 23, 1999. June 26, 2000: 2.8 km section of The Guryong Bypass Road (Dongbang-ri, Guryong-myeon, Buyeo-gun - Jujeong-ri) opened, existing 1.75 km section was closed Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2000-144, June 28, 2000.
2000s–present September 21, 2001: The 8.3 km section from Wonbuk-ri, Seongdong-myeon, Nonsan City to Magupyeong-ri, Bujeok-myeon was expanded and opened. The existing 4.3 km section from Sandong-ri, Gwangjeok-myeon, Nonsan City to Magupyeong-ri, Bujeok-myeon was closed.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2001-192, September 18, 2001. January 30, 2002: Temporary expansion and opening of the Yeongcheon – Bukangan Road of the 7.4 km section of the Bukangan Road (Seokseom-ri, Geumho-eup, Yeongcheon-si ~ Jaksan-dong) Busan Regional Office of Land, Infrastructure and Transport Notice No. 2002-17, January 29, 2002. September 30, 2002: The 18.94 km section of the Waegwan IC - Daegu City Expressway (Samcheong-ri, Waegwan-eup, Chilgok-gun, Gyeongsangbuk-do ~ Taejeon-dong, Buk-gu, Daegu Metropolitan City) opened for expansion.Busan Regional Office of Land and Infrastructure Management Notice No. 2002-295, October 7, 2002. October 5, 2002: The 1.21 km section of Masan-ri, Hwanggan-myeon, Yeongdong-gun, Chungcheongbuk-do OpeningDaejeon Regional Land Management Office Notice No. 2002-232 , October 18, 2002. November 1, 2002: The existing 4.55 km section from Wonbuk-ri, Seongdong-myeon, Nonsan City to Sandong-ri, Gwangseok-myeon was closed.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2002-254, November 1, 2002. January 1, 2004: The 3.0 km section of Gwanho Bridge at Gwanho Intersection (Gwanho-ri, Yakmok-myeon, Chilgok-gun, to Murim-ri) was closed. Opening Busan Regional Land Management Office Notice No. 2003-413, January 15, 2004. April 15, 2004: The 11.3 km section of the Yeongcheon-Bukang Road (Seoksim-ri, Geumho-eup, Yeongcheon-si, to Banjeong-ri, Bukang-myeon) was expanded and opened.Busan Regional Land Management Office Notice No. 2004-82, April 19, 2004. December 28, 2004: The entire 30.5 km section of the Yeongcheon-Bukang Road and the Bukang-Gyeongju Road (Seokseom-ri, Geumho-eup, Yeongcheon-si, to Gwangmyeong-dong, Gyeongju-si) was expanded and opened. The existing 36.3 km section was abolished.Busan Regional Land Management Office Notice No. 2004-334, No. 2004-335, December 27, 2004. December 22, 2005: The 6.4 km section from Gwangpyeong-ri, Hwanggan-myeon, Yeongdong-gun, Chungcheongbuk-do to Chupungnyeong-ri, Chupungnyeong-myeon opened, and the existing 5.48 km section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2005-227 , December 30, 2005. A 7.32 km section of Chupungnyeong - Gimcheon road (Gwangcheon-ri - Taehwa-ri, Bongsan-myeon, Gimcheon-si) expanded and opened,Busan Regional Office of Land, Infrastructure and Transport Notice No. 2005-214, December 28, 2005. and the existing 6.5 km section was abolished.Busan Regional Office of Land, Infrastructure and Transport Notice No. 2005-215, December 19, 2005. January 3, 2007: Opening of the 2.2 km section from Yeonhwa Intersection, Geumam-dong, Gyeryong-si, Chungcheongnam-do to Bangdong, Yuseong-gu, Daejeon, expanded and the existing section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2007-2, January 2007 9th.Corrected on January 12, 2007. November 30, 2007: Partial opening of the 3.5 km section of the Nammyeon ~ Yakmokgan Road (Busangri, Nammyeon, Gimcheon-si - Bosonri, Buksam-eup, Chilgok-gun) to connect with the Nam Gimcheon ICBusan Regional Office of Land, Infrastructure and Transport Notice No. 2007-246, December 3, 2007. January 3, 2008: The starting point was extended from Gunsan-si, Jeollabuk-do to Okdo-myeon, Gunsan-si, Jeollabuk-do.Presidential Decree No. 20524, General National Road Route Designation Ordinance, partially revised on January 3, 2008. December 17, 2008: The entire 19.22 km section of the Gimcheon-Yakmok Road (Deokgok-dong, Gimcheon-si - Bokseong-ri, Yakmok-myeon, Chilgok-gun) was extended. Opening Busan Regional Office of Land, Infrastructure and Transport Notice No. 2008-286, December 17, 2008. December 31, 2008: The 9.49 km section of the Guryong-Buyeo Road (Taeyang-ri, Guryong-myeon, Buyeo-gun, to Dongnam-ri, Buyeo-eup) was expanded and opened. The existing 6.7 km section from Jujeong-ri, Guryong-myeon, Buyeo-gun, to Dongnam-ri, Buyeo-eup, was discontinued.Daejeon Regional Office of Land and Infrastructure Management Notice No. 2008-245, January 12, 2009. January 7, 2009: The Gimcheon-Yakmok Road opened, replacing the existing 14.1 km section from Wolgok-ri, Nongso-myeon, Gimcheon-si, to Seungori, Buk-sam-eup, Chilgok-gun. AbolitionBusan Regional Office of Land, Infrastructure and Transport Notice No. 2009-2, January 8, 2009. July 17, 2009: The 500m section of the Seocheon-eup Gunsuri ~ Samsanri section in Seocheon-gun was renovated and opened, and the existing 320m section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2009-153, July 24, 2009. December 31, 2009: Buyeo ~ Nonsan Road (Buyeo-eup Gunsu-ri, Buyeo-gun ~ Nonsan-si Seongdong-myeon Wonbuk-ri) 13.5 km section expanded and opened, existing 16.2 km section abolished Daejeon Regional Land Management Office Notice No. 2009-277, December 29, 2009. December 22, 2011: The 11.88 km section from Bokdae-ri, Pangyo-myeon, Seocheon-gun to Dongbang-ri, Guryong-myeon, Buyeo-gun opened for expansion.Daejeon Regional Office of Land and Infrastructure Public Notice No. 2011-194, December 15, 2011. January 8, 2014: The 1.34 km section of the Ibaek District Hazardous Road (Ibaek-ri, Gunbuk-myeon, Okcheon-gun) was improved. Opening, abolition of the existing 800m section Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2014-3, January 17, 2014. July 31, 2014: The 1.2 km section of Madae-ri ~ Bokdae-ri, Pangyo-myeon, Seocheon-gun, opened for expansion, up from the existing 1.1 km section.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2014-135, July 30, 2014. December 30, 2014: Opening of the 24.9 km section of the Gyeongju-Gampo road (Bodeok-dong, Gyeongju-si - Jeonchon-ri, Gampo-eup),Busan Regional Land Management Office Notice No. 2014-249, December 30, 2014. the existing 22.33 km section abolished.Busan Regional Office of Land, Infrastructure and Transport Notice No. 2014-250, December 30, 2014. December 31, 2014: The 8.18 km section of the Seocheon Interchange ~ Pangyo Road (Oseok-ri, Seocheon-eup, Seocheon-gun, Chungcheongnam-do ~ Madae-ri, Pangyo-myeon) was expanded and opened, and the existing 7.75 km section was abolished.Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2014-197, December 30, 2014. July 5, 2016: New construction of 4.39 km section of Gogunsan Islands connecting road sections 1 and 2 (Sinsi-do-ri ~ Munyeodo-ri, Okdo-myeon, Gunsan-si) including Gogunsan Bridge openedIksan Regional Office of Land, Infrastructure and Transport Notice No. 2016-230, July 5, 2016. October 21, 2016: Yeongdong ~ Chupungnyeong Road Section 2 (Yeongdong-eup, Gari, Yeongdong-gun ~ Hwanggan-myeon, Gwangpyeong-ri) 9.54 km section opened Daejeon Regional Office of Land, Infrastructure and Transport Notice No. 2016-126, October 20, 2016. March 15, 2017: Yeongdong ~ Chupungnyeong Road Section 1 (Yeongdong-eup, Yeongdong-gun) opened Buyong-ri ~ Gari) 8.9 km section expanded and opened, existing 9.0 km section abolishedDaejeon Regional Office of Land, Infrastructure and Transport Notice No. 2017-23, March 8, 2017. December 28, 2017: Newly opened 4.38 km section of the 3rd section of the Gogunsan Islands connecting road (Muneodo-ri ~ Jangjado-ri, Okdo-myeon, Gunsan-si) Iksan Regional Office of Land, Infrastructure and Transport Notice No. 2017-223, December 28, 2017. October 7, 2018: Due to the collapse of a 150m section of slope near the Janghang intersection on Tohamsan-ro in Yangbuk-myeon, Gyeongju-si, the 2.4 km section from Janghang intersection to Andong intersection was completely closed,Road collapse near the entrance to the Korea Hydro & Nuclear Power Plant headquarters on National Route 4, completely closed to traffic, Newsis, written on October 7, 2018. Detour traffic using the existing 2.9 km section of the national road.Ministry of Land, Infrastructure and Transport, 'Collapse of slope near the entrance to the Korea Hydro & Nuclear Power Plant on National Route 4... Detour road ["Induction", Kookto Ilbo, October 8, 2018. December 27, 2018: Dongbaek Bridge (Haemang-dong, Gunsan-si, Jeollabuk-do - Seongju-ri, Janghang-eup, Seocheon-gun, Chungcheongnam-do) 3.185 km section opened Iksan Regional Office of Land, Infrastructure and Transport Notice No. 2018-229, December 19, 2018. June 22, 2021: Starting point changed to Okdo-myeon, Gunsan-si, Jeollabuk-do Changed from Gwanri-ri to Baekryeon-ri, Haseo-myeon, Buan-gun, Jeollabuk-do. Accordingly, 'Gunsan - Gyeongju Line' was changed to 'Buan - Gyeongju Line'.Ministry of Land, Infrastructure and Transport Notice No. 2021-877, June 22, 2021. December 29, 2022: Opening of the 12.7 km section of the first phase of the Saemangeum North-South Road.Iksan Regional Office of Land, Infrastructure and Transport Notice No. 2022-363, December 29, 2022.