National Route 23 (South Korea)

23
National Route 23
23 National Route 23
국도 제23호선
Route information
Length	395.7 km (245.9 mi)
Existed	31 August 1971–present
Major junctions
South end	Gangjin County, South Jeolla Province
North end	Dongnam District, Cheonan, South Chungcheong Province
Location
Country	South Korea
Highway system
	Highway systems of South Korea; Expressways; National; Local;

National Route 23 is a national highway in South Korea connects Gangjin County to Dongnam District, Cheonan. It established on 31 August 1971.^[1]

Main stopovers

South Jeolla Province

Gangjin County - Jangheung County - Yeongam County - Naju - Hampyeong County - Yeonggwang County

North Jeolla Province

Gochang County

South Jeolla Province

Yeonggwang County

North Jeolla Province

Gochang County - Buan County - Gimje - Iksan

South Chungcheong Province

Nonsan - Gongju - Cheonan

Sejong City

Jeonui-myeon

South Chungcheong Province

Cheonan

Sejong City

Sojeong-myeon

South Chungcheong Province

Cheonan

Major intersections

(■): Motorway

IS: Intersection, IC: Interchange

South Jeolla Province

Name ^[2]	Hangul name	Connection	Location		Note
Dongseong IS	동성사거리	Boeun-ro Hyanggyo-ro	Gangjin County	Gangjin-eup	Terminus
Mokri Bridge	목리교			Gangjin-eup
Mokri Bridge				Gundong-myeon
Mokri IS	목리 교차로	National Route 2 National Route 18 (Noksaek-ro)
Samsin IS	삼신삼거리	Seokgyo-ro
Chilyang-myeon sojaeji	칠량면소재지	Prefectural Route 827 (Chilgwan-ro)		Chilyang-myeon
Chilyang-myeon Janggye-ri	칠량면장계리	Janggye-ro		Chilyang-myeon
Gangjin Ceramic Art School	강진도예학교	Prefectural Route 819 (Jungjeo-gil)		Daegu-myeon	Prefectural Route 819 overlap
Misan IS	미산삼거리	Misan-gil Cheongjachon-gil
Sudong Bridge	수동교	Prefectural Route 819 (Dae-daero)
Gangjin Daegu Middle School Daegu Elementary School	강진대구중학교 대구초등학교
Maryang IS	마량 교차로	National Route 77 (Gogeum-ro)		Maryang-myeon	National Route 77 overlap
Yeongdong IS	영동삼거리	Mihang-ro
Sukma IS	숙마삼거리	Samma-ro
Habuk Bridge	하분교
Habuk Bridge			Jangheung County	Daedeok-eup
Sinri IS	신리삼거리	Sinriyongam-ro
No name	(이름 없음)	Docheongsinwol-ro
Yeonji IS	연지 교차로	Prefectural Route 819 (Hoejin-ro)
Gwanheung IS	관흥삼거리	Gwanheunghoejin-ro		Gwansan-eup
Samsan seawall IS	삼산방조제 교차로	Samsan-ro
Gwansannam Elementary School	관산남초등학교
Bangchon IS	방촌삼거리	Bangchon-gil Bangchon 1-gil
Bangchon IS	방촌사거리	Gwansan-ro Cheongwansan-gil
No name	(이름 없음)	Prefectural Route 827 (Jeongnamjin-ro)
Solchijae	솔치재
Solchijae				Yongsan-myeon
Solchijae IS	솔치재 교차로	Gwansan-ro
Jeopjeong IS	접정삼거리	Jeopjeongnampo-ro
Yongsan Elementary School Yongsan-myeon Office	용산초등학교 용산면사무소
Yongsan IS	용산삼거리	National Route 77 (Yongan-ro)
Korean black hackerry in Yongsan-myeon, Jangheung Jangheung Prison	장흥 어산리 푸조나무 장흥교도소
Jayuljae	자율재
Sunji Bridge	순지교
Sunji Bridge				Jangheung-eup
Sunji IS	순지 교차로	National Route 2 National Route 18 Prefectural Route 55 (Noksaek-ro)			Prefectural Route 55 overlap
Sunji IS	순지삼거리	Jinheung-ro
Jangheungnam Elementary School	장흥남초등학교
Chungyeol IS	충열삼거리	Prefectural Route 835 (Janggang-ro)
Jangheung Stadium	장흥공설운동장
Sinnamoeri IS	신남외리삼거리	Chilgeoriyeyang-ro
Jangheung Bridge	장흥대교
Geonsan5gu IS	건산5구삼거리	Hongseong-ro Pyeonghwasingi 1-gil
Jangheunggyo IS	장흥교사거리	Jangheung-ro Chilgeoriyeyang-ro
Geonsan7gu IS	건산7구삼거리	Bukbu-ro
Jatdu IS	잣두삼거리	Donggyo-ro
Jangheung IC (Jangheung IC IS)	장흥 나들목 (장흥IC 교차로)	Namhae Expressway
Busan Bridge	부산교
Busan Bridge				Busan-myeon
Busan IS	부산사거리	Naeanguryong-gil Jidong 1-gil
Simcheon IS	심천삼거리	Simcheongongwon-gil
Simcheon Bridge	심천교
Jicheon IS	지천삼거리	Jicheon-gil
Jicheon Bridge	지천교
Jicheon Tunnel	지천터널				Prefectural Route 55 overlap Approximately 935m
Jicheon Tunnel				Yuchi-myeon	Prefectural Route 55 overlap Approximately 935m
Neukryong IS	늑룡삼거리	Prefectural Route 820 (Pijae-ro)			Prefectural Route 55 overlap
Neukryong Bridge	늑룡교
Majeong IS	마정삼거리	Majeong-gil
Sinpung IS	신풍삼거리	Sinpungsindeok-ro Yuchi-ro
Gwandong IS	관동 교차로	Bamjae-ro
Namsong IS	남송삼거리	Namsong-gil Naesan-gil	Yeongam County	Geumjeong-myeon
Geumjeong Elementary School Yeongam Geumjeong Middle School	금정초등학교 영암금정중학교
Yongheung IS	용흥삼거리	Prefectural Route 819 (Yeounjae-ro)
Seoksan IS	석산삼거리	Singeum-ro
Geumdae IS	금대 교차로	Yangwa-gil
Hwadong IS	화동 교차로	Seongsandeoksan-gil Seongsanhwadong-gil	Naju City	Seji-myeon
Obong IS	오봉 교차로	Dongchang-ro
Seji Tunnel	세지터널				Prefectural Route 55 overlap Right tunnel: Approximately 366m Left tunnel: Approximately 358m
Seji IS	세지 교차로	Prefectural Route 55 Prefectural Route 820 (Dongchang-ro)			Prefectural Route 55 overlap
Daesan IS	대산 교차로	Dongchang-ro
Budeok IS	부덕 교차로	National Route 1 Prefectural Route 49 Prefectural Route 60 (Bichgaramjangseong-ro)		Yeongsan-dong
Yongsan Jugong Apartment IS	용산주공아파트삼거리	Prefectural Route 818 (Bonghwang-ro)
Jeonnam Foreign Language High School	전남외국어고등학교
Fornt of Foreign Language	외국어고앞	Prefectural Route 49 (Yeongna-ro) Gamatae-gil			Prefectural Route 49 overlap
Gwangshin Express	광신여객				Prefectural Route 49 overlap
Ichang-dong IS	이창동삼거리	National Route 13 (Yehyang-ro)		Ichang-dong	National Route 13 overlap Prefectural Route 49 overlap
Yeongsanpo Public Bus Terminal	영산포공용버스터미널
Ichangtaekji IS	이창택지삼거리	Pungmulsijang 1-gil
Ungok Bridge	운곡교
Ungok Bridge				Wanggok-myeon
Jangsan IS (Jangsan Viaduct)	장산사거리 (장산고가교)	National Route 13 (Yehyang-ro)		Wanggok-myeon
Naju Industrial Park IS	나주지방산단 교차로	Dongsunonggongdanji-gil		Ichang-dong	Prefectural Route 49 overlap
Dongsu IS	동수 교차로	National Route 1 Prefectural Route 49 Prefectural Route 60 (Bichgaramjangseong-ro)		Ichang-dong	Prefectural Route 49 overlap
Dongryeong IS	동령 교차로			Wanggok-myeon	Under construction
Wangok Elementary School Wolcheon Health Clinic	왕곡초등학교 월천보건진료소				Prefectural Route 49 overlap
Bakpo IS	박포삼거리	Musuk-ro Hwajeong-ro
Boksachori IS	복사초리삼거리	Prefectural Route 821 (Jami-ro)		Gongsan-myeon
Geumgok IS	금곡 교차로	Gongsan-ro Wongeumgok-gil
Gongsan IS	공산 교차로	Prefectural Route 801 (Mahan-ro)
Idong IS	이동 교차로	Gongsan-ro
Hudong IS	후동사거리	Prefectural Route 49 (Donggang-ro)		Donggang-myeon
Byeongban IS	병반사거리	Seongji-gil Indong-gil
Yangji IS	양지사거리	Gayang-ro Baengnyeonsan-ro
Donggang Bridge	동강교
Donggang Bridge			Hampyeong County	Hakgyo-myeon	Prefectural Route 825 overlap
Hakgyo-myeon Entrance IS	학교면입구 교차로	Hakdari-gil
Hakgyo IS	학교사거리	National Route 1 Prefectural Route 60 Prefectural Route 825 (Yeongsan-ro)
Hakgyo Bus Terminal	학교버스터미널
Geomjeong IS	검정오거리	National Route 24 (Hamjang-ro)		Hampyeong-eup
Gigak IS	기각사거리	Yeongsu-gil
Baekgok IS	백곡 교차로	Prefectural Route 815 (Namil-gil)			Connected with Daeduk IS
Yangnim IS	양림 교차로	Jupo-ro Yangnim-gil
Hampyeong IC	함평 나들목	Seohaean Expressway
Hampyeong High School	함평고등학교
Geumsan IS	금산 교차로	Prefectural Route 808 (Sonmu-ro)		Daedong-myeon
Yucheon IS	유천 교차로	Hakdong-ro		Singwang-myeon	Connected with Gadeok IS
Eco Park IS	생태공원 교차로	Hakdong-ro
Jangsan IS	장산 교차로	Hakdong-ro Jangsan-gil
Singwang Overpass	신광육교	Deogil-gil
No name	(이름 없음)	Prefectural Route 838 (Singwangjungang-gil)			Prefectural Route 838 overlap
Wonsan IS	원산삼거리	Prefectural Route 838 (Sinhae-ro)			Prefectural Route 838 overlap
Singwang-myeon Hamjeong-ri IS	신광면함정리 교차로	Sammu-gil
Yeonhwa IS	연화삼거리	Ilgang-ro
Anmaeng IS	안맹삼거리	Ganghang-ro	Yeonggwang County	Bulgap-myeon
Noksan IS	녹산사거리	Gunbul-ro Bangma-ro		Bulgap-myeon
Gasa IS	가사삼거리	Ganam-ro		Gunseo-myeon
Noksa IS	녹사 교차로	National Route 22 (Yeonggwang-ro)		Yeonggwang-eup
Hakjeong IS	학정사거리	Jungang-ro
Yeonggwang Middle School Yeonggwang High School	영광중학교 영광고등학교
Hanjeon IS	한전사거리	Prefectural Route 808 (Cheonnyeon-ro)
Terminal IS	터미널사거리	Sinnam-ro
Danju IS	단주사거리	Yeongdae-ro Wolhyeon-ro			Connected with Prefectural Route 844
General Hospital IS (Yeonggwang Medical Center)	종합병원삼거리 (영광종합병원)	Waryong-ro
Wolpyeong IS	월평 교차로				Under construction
Gitbongjae IS (Gitbong IS)	깃봉재삼거리 (깃봉 교차로)	Myoryang-ro
Upyeong IS	우평 교차로
Yeonggwang IC Yeonggwang IC IS (Wonheung IS)	영광 나들목 영광IC 삼거리 (원흥 교차로)	Seohaean Expressway
Jangbo IS	장보사거리	Prefectural Route 816 (Yeongjang-ro)		Daema-myeon
Goryeong Bridge	고령교			Daema-myeon
Goryeong Bridge			Gochang County	Daesan-myeon	North Jeolla Province section
Goryeong IS	고령 교차로				South Jeolla Province section Under construction
Yaksan IS	약산 교차로
Oseong IS	오성 교차로
Chunsan IS	춘산 교차로	Daeseong-ro	Yeonggwang County	Daema-myeon
Honggyo IS	홍교 교차로	Prefectural Route 734 (Honggyo-ro)	Yeonggwang County	Daema-myeon	Continuation into North Jeolla Province

North Jeolla Province

Name ^[3]	Hangul name	Connection	Location		Note
Oewon IS	외원 교차로	Daeseong-ro	Gochang County	Seongsong-myeon	South Jeolla Province - North Jeolla Province border line
Seongsong IS	성송 교차로	Sonhwajung-ro
Eorim IS	어림삼거리	Daeseong-ro
Hakcheon IS	학천삼거리	Hakcheon-ro
South Gochang IC (South Gochang IS)	남고창 나들목 (남고창 교차로)	Gochang-Damyang Expressway		Gosu-myeon
Gosu IS	고수삼거리	Gosu-ro
Gosu-myeon Office	고수면사무소
Deoksan IS	덕산삼거리	Junggeoridangsan-ro		Gochang-eup
Eupnae IS	읍내사거리	Nokdu-ro Dongni-ro
Eupnae IS	읍내 교차로	Jungang-ro			Connected with Gochang IC
Seokgyo IS	석교사거리	Jeonbongjun-ro Soban 3-gil Soban 7-gil
Seongdu IS	성두 교차로	Prefectural Route 15 (Dongseo-daero)
Seongdu IS	성두삼거리	Moyangseong-ro
Segok IS	세곡삼거리	Prefectural Route 708 (Wangnim-ro)		Sinrim-myeon
Sacheon IS	사천삼거리	Seonun-daero		Heungdeok-myeon
(Mokhwa Bridge)	(목화교)	National Route 22 (Seonun-daero)			National Route 22 overlap
Mokhwa IS	목화 교차로	Heungdeok-ro
Jeha IS	제하사거리	National Route 22 (Seonun-daero)
Chii IS	치이삼거리	Jaenmal-gil
Singi IS	신기삼거리	Hupo-ro
Sindeok IS	신덕삼거리	Hupo-ro
Sinri IS	신리삼거리	Sinri-ro	Buan County	Julpo-myeon
Julpo IS	줄포사거리	Prefectural Route 710 (Julpojungang-ro)
No name	(이름 없음)	Prefectural Route 707 (Julpo-gil)
Julpo Middle School	줄포중학교
Julpojung IS	줄포중삼거리	Julpoyongseo-gil
Yeongjeon IS	영전사거리	National Route 30 (Cheongja-ro) Yeongjeon-gil		Boan-myeon
Yeongjeon Elementary School	영전초등학교			Boan-myeon
Yujeong IS	유정삼거리	Jongyu-ro		Sangseo-myeon
Bongeun IS	봉은삼거리	Gaeam-ro
Monkey Park Udeok Elementary School Sangseo-myeon Office	원숭이학교 우덕초등학교 상서면사무소
Sangseo IS	상서사거리	Prefectural Route 736 (Goindol-ro) Manseok-ro
Baekseok Bridge	백석교
Baekseok Bridge				Haengan-myeon
Sports Park IS	스포츠파크사거리	Sunhwanbung-ro Sunhwannam-ro
Haeang School IS	행안초교사거리	Maechang-ro Wollyun-gil
Singi IS	신기 교차로	Orijeong-ro
Songjeong IS	송정 교차로	Prefectural Route 705 (Beonyeong-ro) Byeonsan-ro Seomun-ro			Prefectural Route 705 overlap
Seorim IS	서림 교차로	Hangamae-gil		Buan-eup
Bonghwang IS	봉황 교차로	National Route 30 (Byeonsanbada-ro)		Dongjin-myeon
Sinnong IS	신농 교차로	Prefectural Route 705 (Dongjin-ro)			Prefectural Route 705 overlap
Gomaje IS	고마제 교차로	Gomaje-ro
Dongjin Bridge	동진대교
Dongjin Bridge			Gimje City	Juksan-myeon
Soje IS	소제 교차로	Seopo 2-gil
Eonpo IS	언포 교차로	Juksan-ro
Juksan Bridge	죽산교
Obong IS	오봉 교차로	Juksan-ro
Okseong IS	옥성 교차로	Juksan-ro Oseong 3-gil
No name	(이름 없음)	Okseong-ro
Yeonjeong 1 Bridge	연정1교
Yeonjeong 1 Bridge				Gyowol-dong
Yeonjeong IS	연정 교차로				Under construction
Husin 1 IS	후신1 교차로	Juksan-ro Husin-gil
Husin IS	후신 교차로	National Route 29 (Byeokseong-ro) Woljuk-ro			National Route 29 overlap
Seoam IS	서암사거리	National Route 29 (Geumman-ro)		Yochon-dong	National Route 29 overlap
Seohung IS (Daehakro Underpass)	서흥 교차로 (대학로지하차도)	Prefectural Route 712 (Nambuk-ro) Byeokseong-ro			Prefectural Route 712 overlap
Deokam Middle School Deokam High School Deokam Information High School	덕암중학교 덕암고등학교 덕암정보고등학교
Heungsa IS	흥사 교차로	Prefectural Route 712 (Baeksan-ro)
Heungboksa Temple Entrance	흥복사입구	Seungban-gil
Saneopdoro IS	산업도로 교차로	Arirang-ro
Sangjeong IS	상정 교차로	Jongjeong-gil		Baeksan-myeon
Baeksan IS	백산 교차로	Prefectural Route 702 (Nongje-ro)		Baeksan-myeon	Prefectural Route 702 overlap
Jongeol IS	존걸 교차로	Prefectural Route 702 (Soeumbang-ro) Yugang-ro Hwanggyeong-gil		Gongdeok-myeon	Prefectural Route 702 overlap
Songsan Overpass	송산육교	Gongdeok 4-gil
Gongdeok IS	공덕 교차로	National Route 21 (Saemangeumbuk-ro)
Mokcheon Bridge	목천대교
Mokcheon Bridge			Iksan City	Osan-myeon
Mokcheon IS	목천 교차로	National Route 26 (Beonyeong-ro)
Songhak IS	송학 교차로	National Route 27 (Gunik-ro)			National Route 27 overlap
(Oegeom)	(외검)	Hangjaeng-ro
Jangsin IS	장신 교차로	Osan-ro
Yeongman Bridge Cheongsu Bridge	영만교 청수교
Yeongman IS	영만 교차로	National Route 27 (Gunik-ro)
(Unnamed bridge)	(교량 명칭 미상)
(Unnamed bridge)	(교량 명칭 미상)			Sin-dong
(Unnamed bridge)	Hwangdeung-myeon
(Unnamed bridge)		(교량 명칭 미상)
Dongryeon IS		동련 교차로		Prefectural Route 722 (Hwangdeungseo-ro)
Dongryeon IS	Hamna-myeon			Prefectural Route 722 (Hwangdeungseo-ro)
(Unnamed bridge)	Hamna-myeon	(교량 명칭 미상)
Jukchon IS	죽촌 교차로	Siwa-ro		Hwangdeung-myeon
(Unnamed bridge)	(교량 명칭 미상)			Hamyeol-eup
Dasong IS	다송 교차로	Iksan-daero
Dasong IS (Overpass)	다송사거리 (고가)	Prefectural Route 723 (Baekje-ro)
Yongwang IS	용왕 교차로	Mireuksaji-ro
Jeongdong IS	정동오거리	Prefectural Route 724 (Hamnang-ro) Hamyeol 10-gil
Namdang IS	남당사거리	Hamyeoljungang-ro
Hamyeol Girls' High School	함열여자고등학교
Hamyeol IS	함열 교차로	Wari 5-gil Chilmok-gil
Dongjisan-ri	동지산리	Anseong-ro		Yongan-myeon
An Bridge Songsan Overpass	안대교 송산육교
Songsan IS	송산 교차로	Hamyeol-ro
Haknam Bridge	학남교
Yongan Entrance IS	용안입구 교차로	Prefectural Route 706 (Hyeonnae 1-ro)
Deokyong IS	덕용 교차로	Prefectural Route 711 (Haman-ro)
Yongan Bridge	용안교
Jungsin IS	중신 교차로	Hyeonnae-ro
Un Bridge	운교
Un Bridge				Yongdong-myeon
Gusan-ri	구산리	Yongdong-ro		Yongdong-myeon
Hwasan IS	화산 교차로	Nabawi-gil Hwasan 1-gil		Mangseong-myeon
Hwasan Bridge	화산교
Mangseong IS	망성 교차로	Prefectural Route 68 (Ganggyeong-Yeonmugan Road)			Prefectural Route 68 overlap Continuation into South Chungcheong Province
Mangseongdojeong Factory	망성도정공장

South Chungcheong Province·Sejong City

Name ^[4]	Hangul name	Connection	Location		Note
Mangseongdojeong Factory	망성도정공장		Nonsan City	Ganggyeong-eup	Prefectural Route 68 overlap
Ganggyeong Middle School	강경중학교
Ganggyeong Middle School IS	강경중학교앞 교차로	Prefectural Route 68 (Gyebaek-ro)
Chaesan Bridge (level crossing)	채산과선교
Sanyang IS	산양사거리	Dongan-ro
Ganggyeong Bridge	강경대교
Ganggyeong Bridge				Chaeun-myeon
Samgeo IS	삼거삼거리	Gyebaek-ro
Chaeun IS	채운삼거리	Chaeun-ro
Hwasan IS	화산사거리	Nonsan-daero Gyebaek-ro Gyebaek-ro655beon-gil		Buchang-dong
Under Nolmoe Bridge	놀뫼대교밑	Deugan-daero Gangbyeon-ro
Nonsansin Bridge (Nolmoe Bridge)	논산신대교 (놀뫼대교)
Nonsansin Bridge (Nolmoe Bridge)				Seongdong-myeon
Nonsan IS	논산 교차로	National Route 4 (Daebaekje-ro)		Gwangseok-myeon	National Route 4 overlap
Gwangseok IS	광석 교차로	National Route 4 Prefectural Route 643 (Jangmaru-ro)			National Route 4 overlap
Cheondong IS	천동 교차로	Nonsanpyeongya-ro
Wangjeon IS	왕전 교차로	Nonsanpyeongya-ro Wangjeon 2-gil
Hado IS	하도 교차로	Hado 1-gil		Noseong-myeon
Noseong IS	노성 교차로	Prefectural Route 691 (Baekilhyeon-ro) Noseong-ro		Sangwol-myeon
Sinchung IS	신충 교차로	Baeilhyeon-ro
Wolo IS	월오 교차로	Howol-ro Wolo 5-gil
Hawolgok 1 Bridge	월곡1교
Hawolgok 1 Bridge			Gongju City	Gyeryong-myeon
Sangseong IS	상성 교차로	Prefectural Route 697 (Gubunae-ro)
Yupyeong IS	유평 교차로	Yeonggyudaesa-ro Hoksin-gil
Bongmyeong IS	봉명 교차로
Dolban IS	돌반 교차로	Sohakdong-gil Singian-gil		Ongnyong-dong
Singongju Bridge	신공주대교			Ongnyong-dong
Singongju Bridge				Wolsong-dong
Wolsong IS	월송 교차로	National Route 32 Prefectural Route 96 (Geumbyeong-ro)
Daraeul IS	다래울 교차로	Sasongjeong-gil
Songseon IS (Overpass)	송선 교차로 (고가교)	National Route 36 (Janggi-ro)			National Route 36 overlap
Cheongryong IS	청룡 교차로	Prefectural Route 627 (Uidangjeonui-ro)		Uidang-myeon
Mokcheon IS	목천 교차로	National Route 36 (Chadong-ro)		Useong-myeon
Mokcheon IS	목천 교차로	Mokcheon 2-gil Baekjekeun-gil		Useong-myeon
Oin IS (Overpass)	오인 교차로 (고가교)	Moran-gil Uidang-gil		Uidang-myeon
Hajeongan Bridge	하정안교			Jeongan-myeon
Naechon IS	내촌 교차로	Jeonganjungang-gil
Naechon Bridge Gwangjeong Bridge	내촌교 광정교
Gwangjeong IS	광정 교차로	Jeonganjungang-gil
Jeongan IC (Jeongan IC IS) (Changmal IS)	정안 나들목 (정안IC 교차로) (창말 교차로)	Nonsan–Cheonan Expressway National Route 43 (Jeongansejong-ro)			National Route 43 overlap
Charyeong Tunnel	차령터널				National Route 43 overlap Right tunnel: Approximately 490m Left tunnel: Approximately 445m
Charyeong Tunnel			Cheonan City	Dongnam District Gwangdeok-myeon
Wondeok Bridge	원덕교	Charyeonggogae-ro	Cheonan City	Dongnam District Gwangdeok-myeon	National Route 43 overlap
Yucheon IS	유천 교차로	National Route 1 (Sejong-ro)	Sejong City	Jeonui-myeon	National Route 1, National Route 43 overlap
Gujeong IS	구정사거리	Unjusan-ro Haengjeong-gil	Cheonan City	Dongnam District Gwangdeok-myeon
Haengjeong IS	행정삼거리	Prefectural Route 623 (Charyeonggogae-ro)	Sejong City	Sojeong-myeon
Undang-ri IS	운당리삼거리	Sojeonggu-gil
Undang IS	운당 교차로	National Route 43 (Sejong-Pyeongtaek Road) Sojeongangol1-gil
Gokgyocheon Bridge	곡교천교				National Route 1 overlap
Gokgyocheon Bridge IS	곡교천교삼거리	Gasong-ro
Sojeong Bridge	소정대교
Sojeong Overpass	소정육교앞	Gungri-gil Sojeonggu-gil
Daegok IS	대곡사거리	Chwigeumheon-ro
Je3sosa Bridge	제3소사교		Cheonan City	Dongnam District Mokcheon-eup
South Cheonan IC	남천안 나들목	Nonsan-Cheonan Expressway
Doriti IS	도리티삼거리	Cheongdangsaneop-gil
Doriti	도리티
Doriti				Dongnam District
Sun Moon University Cheonan Campus	선문대학교 천안캠퍼스
Cheonan Girls' High School IS (Cheonan Life Sports Park)	천안여고삼거리 (천안생활체육공원)	Samnyong 3-gil
Cheongsam IS	청삼 교차로	National Route 21 (Nambu-daero)
Cheonan Museum Cheonan Samgeori Park	천안박물관 천안삼거리공원
Samyong IS	삼룡사거리	Chungjeol-ro
Gulul IS	굴울사거리	Jeonggol 1-gil
Guseong IS	구성삼거리	Chungmu-ro
Cheonan Dongnam Fire Station	천안동남소방서
Gojae IS	고재사거리	Yuryang-ro Gojae 15-gil
Dorowonjeom IS	도로원점삼거리	Beodeul-ro
Dongbu IS	동부사거리	Taejosan-gil Wonseongcheon 1-gil
Cheonan-ro IS	천안로사거리	Cheonan-daero Mannam-ro
Cheonan IC	천안 나들목	Gyeongbu Expressway National Route 1 (Samseong-daero)			Terminus National Route 1 overlap
Directly connected with Prefectural Route 23

References

^ 대통령령 제5771호 일반국도노선지정령, 1971년 8월 31일 제정.
^ Intersection and interchange are also included, as well as buildings and facilities in the surrounding area
^ Intersection and interchange are also included, as well as buildings and facilities in the surrounding area
^ Intersection and interchange are also included, as well as buildings and facilities in the surrounding area

[1] 대통령령 제5771호 일반국도노선지정령, 1971년 8월 31일 제정.

[2] Intersection and interchange are also included, as well as buildings and facilities in the surrounding area

[3] Intersection and interchange are also included, as well as buildings and facilities in the surrounding area

[4] Intersection and interchange are also included, as well as buildings and facilities in the surrounding area

[1]

[2]

[3]

[4]

v t e National highways of South Korea
South-North	1 3 5 7 9† 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41† 43 45 47 51† 53† 59 61† 63† 65† 67 71† 73† 75 77 79 81† 83† 87 91† 93† 95 99
West-East	2 4 6 8† 10† 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50† 52† 54† 56 58 62† 64† 72† 74† 76† 78† 80† 82 88 92† 94†
†: Hypothetical national highways on the territory of North Korea in the case of reunification 　: Abolished national highways