National Route 24 is a national highway in South Korea that connects Sinan County to Nam District, Ulsan. It was established on 31 August 1971.대통령령 제5771호 일반국도노선지정령, 1971년 8월 31일 제정.

History August 31, 1971: Became National Route No. 24 Gwangju ~ Ulsan Line by the General National Highway Route Designation Decree.Presidential Decree No. 5771 General National Highway Route Designation Decree, enacted on August 31, 1971. July 31, 1980: Wonnyul-ri, Geumseong-myeon, Damyang-gun, Jeollanam-do ~ Sangdong-ri, Jusaeng-myeon, Namwon-gun, Jeollabuk-do 35.2 km section openedIri Regional Land Management Office Announcement No. 28, July 31, 1980. March 14, 1981: Starting point extended from 'Gwangju-si, Jeollanam-do' to 'Jido-eup, Sinan-gun, Jeollanam-do'. Accordingly changed from 'Gwangju ~ Ulsan Line' to 'Jido ~ Ulsan Line'.Presidential Decree No. 10247 General National Highway Route Designation Decree, partially amended on March 14, 1981. May 30, 1981: Road zone changed to the extended 89 km section according to the amendment of Presidential Decree No. 10247 General National Highway Route Designation DecreeMinistry of Construction Notice No. 191, May 30, 1981. August 17, 1981: Nae-ri, Jido-eup, Sinan-gun ~ Yeongcheon-ri, Jangseong-eup, Jangseong-gun 86.619 km section, Danggwang-ri, Jangseong-eup, Jangseong-gun ~ Gaeksa-ri, Damyang-eup, Damyang-gun 12.12 km section upgraded to national highway openedGwangju Regional Land Management Office Announcement No. 22, August 17, 1981. March 11, 1989: Old road sites in Bansong-ri, Eonyang-myeon, Ulju-gun, Heegok-ri, Sanoe-myeon, Milyang-gun, Gyo-dong-ri, Milyang-eup area abolishedBusan Regional Land Management Office Announcement No. 25, March 11, 1989. January 19, 1993: Hampyeong Bypass Road (Gigak-ri, Hampyeong-eup, Hampyeong-gun) 700m section, Damyang Bypass Road (Yanggak-ri ~ Gaeksa-ri, Damyang-eup, Damyang-gun) 3.22 km section openedIri Regional Land Management Office Announcements No. 1993-3, No. 1993-5, January 19, 1993. April 28, 1998: Dotong-dong ~ Gojuk-dong, Namwon-si 2.2 km section openedIksan Regional Land Management Office Announcement No. 1998-108, May 2, 1998. July 15, 1998: Sayeon Bridge (Sayeon-ri ~ Ipam-ri, Beomseo-myeon, Ulju-gun, Ulsan Metropolitan City) 1.2 km section reconstruction opening, existing section abolishedBusan Regional Land Management Office Announcement No. 1998-262, July 18, 1998. November 12, 1998: Sotae-ri ~ Insan-ri, Cheongdo-myeon, Milyang-si 1.86 km section newly opened, existing 1.6 km section abolishedBusan Regional Land Management Office Announcement No. 1998-402, November 12, 1998. December 21, 1999: Anui Bypass Road (Dangbon-ri ~ Seokcheon-ri, Anui-myeon, Hamyang-gun) 1.65 km section opened and existing 1.85 km section abolished,Busan Regional Land Management Office Announcement No. 1999-278, December 17, 1999. Geumcheon-ri ~ Geumgok-ri, Sanoe-myeon, Milyang-si 2.3 km section opened and existing 1.7 km section abolishedBusan Regional Land Management Office Announcement No. 1999-283, December 22, 1999. December 31, 1999: Hakgyo ~ Hampyeong Road (Gigak-ri, Hampyeong-eup ~ Gangun-ri, Daedong-myeon, Hampyeong-gun) 3.9 km section expansion opening, existing section abolishedIksan Regional Land Management Office Announcement No. 1999-214, January 7, 2000. February 24, 2000: Gunggeunjang-ri, Sangbuk-myeon ~ Bancheon-ri, Eonyang-eup, Ulju-gun, Ulsan Metropolitan City 13.3 km section designated as automobile-only roadBusan Regional Land Management Office Announcement No. 2000-21, February 24, 2000. March 21, 2000: Chunhwa-ri, Bubuk-myeon ~ Naei-dong, Milyang-si 2.04 km section newly opened, existing 1.62 km section abolishedBusan Regional Land Management Office Announcement No. 2000-70, March 24, 2000. August 25, 2001: Starting point extended from 'Jido-eup, Sinan-gun, Jeollanam-do' to 'Imja-myeon, Sinan-gun, Jeollanam-do', end point changed from 'Ulsan-si, Gyeongsangnam-do' to 'Nam-gu, Ulsan Metropolitan City'. Accordingly became 'Sinan ~ Ulsan Line'.Presidential Decree No. 17348 General National Highway Route Designation Decree, fully revised on August 25, 2001. December 30, 2002: Myosan Bypass Road (Banpo-ri ~ Gwangi-ri, Myosan-myeon, Hapcheon-gun) 2.58 km section expansion opening, existing 3.8 km section abolishedBusan Regional Land Management Office Announcement No. 2002-376, January 10, 2003. December 18, 2003: Sangmudae Front (Daegok-ri, Samseo-myeon ~ Wolyeon-ri, Samgye-myeon, Jangseong-gun) 2.3 km section partial openingIksan Regional Land Management Office Announcement No. 2003-257, December 27, 2003. December 22, 2003: Mugeo-dong, Nam-gu, Ulsan ~ Jikdong-ri, Eonyang-eup section 16.06 km 4-lane expansion openingUlsan~Eonyang National Route 24 expansion opening, Hankyoreh, written December 22, 2003. December 26, 2003: Route changed for Songjeong-ri ~ Daepyeong-ri, Geochang-eup, Geochang-gun section to not pass through Daedong-ri. Accordingly, Songjeong-ri ~ Daepyeong-ri, Geochang-eup, Geochang-gun section changed from 4.0 km to 2.6 kmBusan Regional Land Management Office Announcement No. 2003-387, December 26, 2003. November 10, 2004: Haeje Bypass Road (Gwangjeong-ri, Jido-eup, Sinan-gun ~ Yuwol-ri, Haeje-myeon, Muan-gun) 11.0 km section expansion openingIksan Regional Land Management Office Announcement No. 2004-175, November 5, 2004. November 19, 2004: Hapcheon Bypass Road, part of Hapcheon ~ Ssangnim Road (Jeongyang-ri, Daeyang-myeon ~ Geumyang-ri, Hapcheon-eup, Hapcheon-gun) 4.0 km section expansion openingBusan Regional Land Management Office Announcement No. 2004-285, November 4, 2004. existing section abolishedBusan Regional Land Management Office Announcement No. 2004-286, November 4, 2004. December 23, 2004: Due to Hapcheon Bypass Road and Hapcheon ~ Ssangnim Road expansion opening, existing Jeongyang Rotary, Jeongyang-ri, Daeyang-myeon ~ Hapcheon Intersection, Jeongyang-ri, Hapcheon-eup, Hapcheon-gun 530m section abolishedBusan Regional Land Management Office Announcement No. 2004-330, December 23, 2004. December 29, 2004: Sangbuk ~ Eonyang Road (Gunggeunjang-ri, Sangbuk-myeon ~ Jakdong-ri, Eonyang-eup, Ulju-gun) 6.58 km section expansion opening,Busan Regional Land Management Office Announcement No. 2004-585, December 30, 2004. existing Sanjeon-ri ~ Cheonjeon-ri, Sangbuk-myeon, Ulju-gun 4.02 km section abolishedBusan Regional Land Management Office Announcement No. 2004-586, December 30, 2004. January 20, 2005: Haebo ~ Samseo Road (Uchi-ri, Nasan-myeon, Hampyeong-gun ~ Daegok-ri, Samseo-myeon, Jangseong-gun) 10.82 km section expansion openingIksan Regional Land Management Office Announcement No. 2005-1, January 5, 2005. February 4, 2005: Samseo ~ Jangseong Road (Sachang-ri ~ Suok-ri, Samgye-myeon, Jangseong-gun) upbound 2.5 km section partial openingIksan Regional Land Management Office Announcement No. 2005-19, February 5, 2005. August 10, 2005: Samseo ~ Jangseong Road (Wolyeon-ri ~ Sachang-ri, Samgye-myeon, Jangseong-gun) 1.5 km section expansion opening, Sachang-ri ~ Suok-ri, Samgye-myeon, Jangseong-gun 2.5 km section partial openingIksan Regional Land Management Office Announcement No. 2005-144, August 13, 2005. October 27, 2005: Inwol-myeon Bypass Road (Samae Bypass Road), Namwon-si 1.7 km section openedIksan Regional Land Management Office Announcement No. 2005-169, October 18, 2005.Namwon Samae·Inwol-myeon bypass opens on 27th, Segye Ilbo, written October 26, 2005. December 23, 2005: Jisan-ri, Ingye-myeon ~ Gwaejeong-ri, Jeokseong-myeon, Sunchang-gun 4.95 km section expansion openingIksan Regional Land Management Office Announcement No. 2005-225, December 20, 2005. December 28, 2005: Gyo-dong ~ Geumcheon-ri, Sanoe-myeon, Milyang-si 4.74 km section and Dajuk-ri ~ Heegok-ri, Sanoe-myeon, Milyang-si 3.2 km section expansion opening,Busan Regional Land Management Office Announcement No. 2005-234, December 29, 2005. existing Namgi-ri ~ Geumcheon-ri, Sanoe-myeon, Milyang-si 2.79 km section and Dajuk-ri ~ Heegok-ri, Sanoe-myeon 1.51 km section abolishedBusan Regional Land Management Office Announcement No. 2005-235, December 29, 2005. December 30, 2005: Due to Samseo ~ Jangseong Road expansion opening, existing Suhae-ri, Samseo-myeon ~ Sinho-ri, Hwangryong-myeon, Jangseong-gun 15.04 km section abolishedIksan Regional Land Management Office Announcement No. 2006-42, April 5, 2006. June 2, 2006: Gyo-dong ~ Geumcheon-ri, Sanoe-myeon, Milyang-si 4.88 km section and Dajuk-ri ~ Heegok-ri, Sanoe-myeon, Milyang-si 3.3 km section full opening,Busan Regional Land Management Office Announcement No. 2006-85, June 22, 2006. abolished section changed to existing Namgi-ri ~ Sanoe-myeon Geumcheon-ri, Milyang-si 2.649 km section and Dajuk-ri ~ Geumgok-ri, Sanoe-myeon, Milyang-si 1.562 km sectionBusan Regional Land Management Office Announcement No. 2006-86, June 22, 2006. February 19, 2008: Sanoe ~ Sangbuk Road (Samyang-ri, Sannae-myeon, Milyang-si, Gyeongsangnam-do ~ Gunggeunjang-ri, Sangbuk-myeon, Ulju-gun, Ulsan Metropolitan City) 8.663 km section designated as automobile-only roadBusan Regional Land Management Office Announcement No. 2008-36, February 19, 2008. March 24, 2008: Section 3 Gajisan Tunnel among Sannae ~ Sangbuk Road (Samyang-ri, Sannae-myeon, Milyang-si, Gyeongsangnam-do ~ Gunggeunjang-ri, Sangbuk-myeon, Ulju-gun, Ulsan Metropolitan City) 11.36 km section opened. However, Nammyeong Checkpoint, Samyang-ri, Sannae-myeon, Milyang-si ~ Guyeon Tunnel terminus section used temporarily.Busan Regional Land Management Office Announcement No. 2008-58, March 20, 2008.Yeongnam National Highway longest Gajisan Tunnel opens Ulju-gun ~ Milyang-si 4.58km section, Kyunghyang Shinmun, written March 25, 2008. existing 18 km section abolishedBusan Regional Land Management Office Announcement No. 2008-59, March 20, 2008. December 3, 2008: Naegyo-ri, Hampyeong-eup ~ Hyanggyo-ri, Daedong-myeon, Hampyeong-gun 1.8 km section expansion opening, existing section abolishedIksan Regional Land Management Office Announcement No. 2008-132, December 3, 2008. December 21, 2009: Section to Eoreumgol Intersection among Sannae ~ Sangbuk Road (Nammyeong-ri ~ Samyang-ri, Sannae-myeon, Milyang-si) 4.0 km section partial openingBusan Regional Land Management Office Announcement No. 2009-306, December 18, 2009. April 30, 2010: Geumgok-ri, Sanoe-myeon ~ Yongjeon-ri, Sannae-myeon, Milyang-si 4.112 km section expansion opening,Busan Regional Land Management Office Announcement No. 2010-71, April 30, 2010. existing 2.29 km section abolishedBusan Regional Land Management Office Announcement No. 2010-72, April 30, 2010. November 23, 2010: Mari ~ Songjeong Road (Malheul-ri, Mari-myeon ~ Songjeong-ri, Geochang-eup, Geochang-gun) 3.8 km section expansion opening,Busan Regional Land Management Office Announcement No. 2010-241, November 19, 2010. existing 5.2 km section abolishedBusan Regional Land Management Office Announcement No. 2010-242, November 19, 2010. September 27, 2011: Nammyeong-ri ~ Samyang-ri, Sannae-myeon, Milyang-si 4.0 km section designated as automobile-only roadBusan Regional Land Management Office Announcement No. 2011-169, September 27, 2011. June 21, 2013: Namjeong Bridge among Geumyang ~ Daeyang Road (Hapcheon-ri, Hapcheon-eup ~ Jeongyang-ri, Daeyang-myeon, Hapcheon-gun) 337m section newly openedBusan Regional Land Management Office Announcement No. 2013-120, June 18, 2013. July 26, 2013: Gain-ri ~ Nammyeong-ri, Sannae-myeon, Milyang-si 6.21 km section expansion opening,Busan Regional Land Management Office Announcement No. 2013-153, July 26, 2013.National Route 24 Milyang-Ulsan 62km full opening after 18 years, Financial News, written July 24, 2013. existing Gain-ri ~ Samyang-ri, Sannae-myeon, Milyang-si 7.0 km section abolishedBusan Regional Land Management Office Announcement No. 2013-154, July 26, 2013.