National Route 25 is a national highway in South Korea connecting Changwon to Sangdang District, Cheongju. It was established on 31 August 1971.대통령령 제5771호 일반국도노선지정령, 1971년 8월 31일 제정.
History August 31, 1971: Became National Route No. 25 Jinhae ~ Cheongju Line by the General National Highway Route Designation Decree.Presidential Decree No. 5771 General National Highway Route Designation Decree, enacted on August 31, 1971. November 30, 1972: Due to route improvement, road zone changed from 648m section in Jedong-ri, Daesan-myeon, Changwon-gun to 533mMinistry of Construction Notice No. 506, November 30, 1972. October 1, 1975: Total 300m section from Pyeongchon-ri ~ Dusan-ri, Namil-myeon, Cheongwon-gun opened and existing 280m section abolished, Imhan-ri, Tanbu-myeon, Boeun-gun 900m section opened and existing 690m section abolished, total 1.39 km section from Seowon-ri, Naeseo-myeon ~ Sinbong-ri, Hwaseo-myeon, Sangju-gun opened and existing total 1.5 km section abolishedMinistry of Construction Announcement No. 110, October 1, 1975. March 11, 1989: Old road sites in Pyeongchon-ri, Sangnam-myeon, Paseo-ri, Yangdong-ri, Hanam-myeon, Joeum-ri, Yeongeumri, Masan-ri, Sangnam-myeon, Insan-ri, Dugok-ri, Cheongdo-myeon, Heegok-ri, Sanoe-myeon, Milyang-gun area abolishedBusan Regional Land Management Office Announcement No. 25, March 11, 1989. January 31, 1998: Imhan-ri, Tanbu-myeon ~ Gwangi-ri, Maro-myeon, Boeun-gun 920m section opened, existing section abolishedDaejeon Regional Land Management Office Announcement No. 1998-30, January 31, 1998. November 26, 1998: Ipyeong-ri, Boeun-eup, Boeun-gun 340m section openedDaejeon Regional Land Management Office Announcement No. 1998-466, November 26, 1998. May 15, 2000: Songpyeong-ri, Hwabuk-myeon, Boeun-gun 420m section opened and existing 440m section abolished, Sangjang-ri, Tanbu-myeon ~ Hagae-ri, Naesongni-myeon, Boeun-gun 330m section opened, existing 360m section abolishedDaejeon Regional Land Management Office Announcements No. 2000-120, No. 2000-121, June 2, 2000. November 20, 2000: Hanam ~ Milyang Road (Susan-ri, Hanam-eup ~ Yerim-ri, Sangnam-myeon, Milyang-si) 12 km section partial openingBusan Regional Land Management Office Announcement No. 2000-294, November 20, 2000. December 21, 2000: Daeya-ri ~ Gilsang-ri, Boeun-eup, Boeun-gun 474m section opened and existing 560m section abolished,Daejeon Regional Land Management Office Announcement No. 2001-15, January 26, 2001. Geonsong-ri, Jincheon-eup, Jincheon-gun 600m section opened and existing 590m section abolishedDaejeon Regional Land Management Office Announcement No. 2001-16, January 26, 2001. December 31, 2000: Hanam ~ Milyang Road (Yerim-ri, Sangnam-myeon ~ Naei-dong, Milyang-si) 4.55 km section expansion opening,Busan Regional Land Management Office Announcement No. 2000-366, January 5, 2001. existing Susan-ri, Hanam-eup ~ Yerim-ri, Sangnam-myeon, Milyang-si 12.6 km section abolishedBusan Regional Land Management Office Announcement No. 2000-367, January 5, 2001. December 4, 2001: Nucheong-ri, Boeun-eup, Boeun-gun 720m section opened, existing 750m section abolishedDaejeon Regional Land Management Office Announcement No. 2002-1, January 10, 2002. August 15, 2002: Anmin Tunnel (Cheonseon-dong, Changwon-si ~ Seok-dong, Jinhae-si) 2.33 km section openedGyeongsangnam-do Announcement No. 2002-255, August 8, 2002.[Busan/Gyeongnam]Changwon-Jinhae connecting Anmin Tunnel opens on 15th, Dong-A Ilbo, written August 4, 2002. December 2003: Namcheon ~ Gyeongsan section 9.5 km expansion opening.23 National Highway sections 'newly built and expanded opening this month', Korea Economic Daily, written December 8, 2003. December 31, 2003: Nakdong ~ Sangju Road (Gujam-ri ~ Seongdong-ri, Nakdong-myeon, Sangju-si) 7.76 km section expansion opening and existing 9.98 km section abolishedBusan Regional Land Management Office Announcements No. 2003-411, No. 2003-412, January 15, 2004. March 22, 2004: Cheonseon-dong ~ Towol-dong section, Seongsan-gu, Changwon-si 5 km opened.National Route 25 Cheonseon-Yongdong Road opens, Newsis, written March 22, 2004. May 2004: Samjeongja Intersection ~ Towol Interchange 5.0 km section designated as an automobile-only roadChangwon-si Announcement No. 2004-372, May 2004. July 1, 2004: Wollim-ri, Dogae-myeon, Gumi-si ~ Gujam-ri, Nakdong-myeon, Sangju-si 6.4 km section expansion openingBusan Regional Land Management Office Announcement No. 2004-176, July 12, 2004.Gumi Dogae~Sangju Nakdong National Highway 4-lane expansion opening, Maeil Shinmun, written July 1, 2004. September 20, 2004: Existing 7.89 km section in Namcheon-myeon, Gyeongsan-si area abolishedBusan Regional Land Management Office Announcement No. 2004-249, September 20, 2004. September 25, 2004: Gasan ~ Sangnim Road (Cheonpyeong-ri ~ Songhak-ri, Gasan-myeon, Chilgok-gun) 2.4 km section expansion openingBusan Regional Land Management Office Announcement No. 2004-253, September 23, 2004. November 30, 2004: Part of Sangnim ~ Haepyeong Road (Haepyeong-ri, Haepyeong-myeon, Gumi-si) 880m section expansion openingBusan Regional Land Management Office Announcement No. 2004-311, December 6, 2004. July 15, 2005: Gilsang-ri, Boeun-eup, Boeun-gun 400m section expansion openingChungcheongbuk-do Announcement No. 2005-283, July 15, 2005. September 20, 2005: Odong-dong, Sangdang-gu, Cheongju-si ~ Guseong-ri, Naesu-eup, Cheongwon-gun 4.02 km section designated as an automobile-only roadDaejeon Regional Land Management Office Announcement No. 2005-150, September 20, 2005. November 3, 2005: Haepyeong ~ Dogae Road (Silim-ri ~ Wollim-ri, Dogae-myeon, Gumi-si) 7.03 km section expansion opening, existing 7.1 km section abolishedBusan Regional Land Management Office Announcements No. 2005-172, No. 2005-173, November 3, 2005. November 14, 2005: Part of Sangnim ~ Haepyeong Road (Haepyeong-ri, Haepyeong-myeon, Gumi-si) 1.9 km section expansion openingBusan Regional Land Management Office Announcement No. 2005-182, November 14, 2005. November 22, 2005: Gasan ~ Sangnim Road, Sangnim ~ Haepyeong Road, Haepyeong ~ Dogae Road (Cheonpyeong-ri, Gasan-myeon, Chilgok-gun ~ Wollim-ri, Dogae-myeon, Gumi-si) 38.6 km section expansion opening, existing 37.6 km section abolishedBusan Regional Land Management Office Announcements No. 2005-187, No. 2005-188, November 21, 2005.Chilgok Gasan~Gumi Dogae National Highway opens, Maeil Shinmun, written November 22, 2005. August 22, 2006: Towol Interchange ~ Namsan Interchange 5.8 km section designated as automobile-only roadChangwon-si Announcement No. 2006-1046, August 22, 2006. April 1, 2008: Songpyeong-ri, Hoein-myeon, Boeun-gun 400m section improvement opening, existing section abolishedDaejeon Regional Land Management Office Announcement No. 2008-58, April 7, 2008. October 23, 2009: Jeongbyeong Tunnel breakthrough ceremony, part of Towol ~ Dong-eup sectionNational Route 25 Jeongbyeongsan Tunnel breakthrough on 23rd, 《Newsis》 October 23, 2009 December 16, 2009: Cheongju Bypass Road (Hyochon-ri, Namil-myeon ~ Yangchon-ri, Nami-myeon, Cheongwon-gun) 4.0 km section openedCheongju-si Announcement No. 2010-307, April 16, 2010.Daejeon Regional Land Management Office Announcement No. 2010-58, April 16, 2010. January 11, 2010: Mukbang-ri ~ Gukdong-ri, Naesu-eup, Cheongwon-gun 1.35 km section designated as an automobile-only roadDaejeon Regional Land Management Office Announcement No. 2010-1, January 11, 2010. May 12, 2011: Gangsangchon Junction, Suui-dong, Heungdeok-gu ~ Odong Intersection, Odong-dong, Sangdang-gu, Cheongju-si 13.33 km section designated as an automobile-only roadDaejeon Regional Land Management Office Announcement No. 2011-63, May 12, 2011. May 15, 2011: Odong ~ Guseong Road (Odong-dong, Sangdang-gu, Cheongju-si ~ Guseong-ri, Naesu-eup, Cheongwon-gun) 4.19 km section openedDaejeon Regional Land Management Office Announcement No. 2011-64, May 13, 2011. March 27, 2012: Towol Interchange, Towol-dong, Seongsan-gu ~ Namsan Interchange, Namsan-ri, Dong-eup, Uichang-gu, Changwon-si 5.849 km section temporarily openedBusan Regional Land Management Office Announcement No. 2012-50, March 27, 2012.Changwon Route 25 National Highway bypass road fully opens, Seoul Shinmun, written March 27, 2012. February 28, 2013: Namcheon ~ Cheongdo Road Section 2 (Wonjeong-ri, Cheongdo-eup ~ Daro-ri, Hwayang-eup, Cheongdo-gun) 8.0 km section expansion opening, existing Songeup-ri, Cheongdo-eup ~ Daro-ri, Hwayang-eup, Cheongdo-gun 5.7 km section abolishedBusan Regional Land Management Office Announcements No. 2013-31, No. 2013-32, February 26, 2013.Gyeongbuk Cheongdo~Hwayang National Route 25 section expansion opening, Yonhap News, written February 27, 2013. May 3, 2013: Changwon ~ Gimhae Dong-eup Bypass Road (Namsan Intersection, Deoksan-ri, Dong-eup, Uichang-gu, Changwon-si ~ Deokcheon 2nd Bridge, Yongjam-ri) 800m section expansion openingBusan Regional Land Management Office Announcement No. 2013-84, May 3, 2013. May 20, 2013: Heonsin-dong ~ Buwon-dong section, Sangju-si 6.34 km opened.Sangju Heonsin~Buwon National Highway Alternative Bypass Road opens, Yonhap News, written May 15, 2013. June 30, 2013: Namcheon ~ Cheongdo Road Section 1 (Daro-ri, Hwayang-eup, Cheongdo-gun ~ Heungsan-ri, Namcheon-myeon, Gyeongsan-si) 5.35 km section expansion openingBusan Regional Land Management Office Announcement No. 2013-122, June 19, 2013.Cheongdo~Gyeongsan National Highway fully opens...'25-minute travel time reduction effect', Asia Economy, written June 30, 2013. August 29, 2013: Due to Namcheon ~ Cheongdo Road Section 1 opening, existing Daro-ri, Hwayang-eup, Cheongdo-gun ~ Heungsan-ri, Namcheon-myeon, Gyeongsan-si 6.21 km section abolishedBusan Regional Land Management Office Announcement No. 2013-178, August 28, 2013. October 7, 2013: Yanggok-dong ~ Wanam-dong, Seongsan-gu, Changwon-si 2.908 km section designated as an automobile-only roadChangwon-si Announcement No. 2013-1903 December 26, 2013: Changwon ~ Gimhae Dong-eup Bypass Road (Namsan Interchange, Deoksan-ri, Dong-eup, Uichang-gu, Changwon-si ~ Jinyeong Intersection, Jinyeong-ri, Jinyeong-eup, Gimhae-si) 7.31 km section expansion openingBusan Regional Land Management Office Announcement No. 2013-272, December 26, 2013. February 27, 2014: Dogye-dong, Uichang-gu, Changwon-si ~ Jinyeong-ri, Jinyeong-eup section 11.4 km opened.Gyeongnam Changwon-Gimhae Dong-eup Bypass Road fully opens on 27th, Aju Business Daily, written February 27, 2014. April 7, 2014: Due to Dong-eup Bypass Road opening, existing Deoksan-ri, Dong-eup, Uichang-gu, Changwon-si ~ Jinyeong-ri, Jinyeong-eup, Gimhae-si 7.4 km section abolishedBusan Regional Land Management Office Announcement No. 2014-67, April 7, 2014. March 27, 2015: End point changed from Sangdang Four-way Intersection to Seokgyo Six-way Intersection, Sangdang-gu, Cheongju-siMinistry of Land, Infrastructure and Transport Notice No. 2015-181, March 27, 2015. April 29, 2015: Bukil ~ Namil Road Section 1-1 among Cheongju-si National Highway Alternative Bypass Roads (Guseong-ri ~ Gukdong-ri, Naesu-eup, Cheongwon-gu, Cheongju-si) 1.35 km section newly openedDaejeon Regional Land Management Office Announcement No. 2015-49, April 24, 2015. January 25, 2016: Cheongju Station Intersection ~ Munam Park Intersection among Cheongju-si National Highway Alternative Bypass Roads (Suui-dong, Heungdeok-gu ~ Jeongsang-dong, Cheongwon-gu, Cheongju-si) 9.85 km section newly openedDaejeon Regional Land Management Office Announcement No. 2016-3, Cheongju-si Announcement No. 2016-125, January 25, 2016.