# National Route 23 (South Korea)

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

## 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 | Hangul name | Connection | Location | Location | Note |
| Dongseong IS | 동성사거리 | Boeun-ro Hyanggyo-ro | Gangjin County | Gangjin-eup | Terminus |
| Mokri Bridge | 목리교 | | Gangjin County | Gangjin-eup | |
| Mokri Bridge | | | Gangjin County | Gundong-myeon | |
| Mokri IS | 목리 교차로 | National Route 2 National Route 18 (Noksaek-ro) | Gangjin County | Gundong-myeon | |
| Samsin IS | 삼신삼거리 | Seokgyo-ro | Gangjin County | Gundong-myeon | |
| Chilyang-myeon sojaeji | 칠량면소재지 | Prefectural Route 827 (Chilgwan-ro) | Gangjin County | Chilyang-myeon | |
| Chilyang-myeon Janggye-ri | 칠량면장계리 | Janggye-ro | Gangjin County | Chilyang-myeon | |
| Gangjin Ceramic Art School | 강진도예학교 | Prefectural Route 819 (Jungjeo-gil) | Gangjin County | Daegu-myeon | Prefectural Route 819 overlap |
| Misan IS | 미산삼거리 | Misan-gil Cheongjachon-gil | Gangjin County | Daegu-myeon | Prefectural Route 819 overlap |
| Sudong Bridge | 수동교 | Prefectural Route 819 (Dae-daero) | Gangjin County | Daegu-myeon | Prefectural Route 819 overlap |
| Gangjin Daegu Middle School Daegu Elementary School | 강진대구중학교 대구초등학교 | | Gangjin County | Daegu-myeon | |
| Maryang IS | 마량 교차로 | National Route 77 (Gogeum-ro) | Gangjin County | Maryang-myeon | National Route 77 overlap |
| Yeongdong IS | 영동삼거리 | Mihang-ro | Gangjin County | Maryang-myeon | National Route 77 overlap |
| Sukma IS | 숙마삼거리 | Samma-ro | Gangjin County | Maryang-myeon | National Route 77 overlap |
| Habuk Bridge | 하분교 | | Gangjin County | Maryang-myeon | National Route 77 overlap |
| Habuk Bridge | | | Jangheung County | Daedeok-eup | National Route 77 overlap |
| Sinri IS | 신리삼거리 | Sinriyongam-ro | Jangheung County | Daedeok-eup | National Route 77 overlap |
| No name | (이름 없음) | Docheongsinwol-ro | Jangheung County | Daedeok-eup | National Route 77 overlap |
| Yeonji IS | 연지 교차로 | Prefectural Route 819 (Hoejin-ro) | Jangheung County | Daedeok-eup | National Route 77 overlap |
| Gwanheung IS | 관흥삼거리 | Gwanheunghoejin-ro | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Samsan seawall IS | 삼산방조제 교차로 | Samsan-ro | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Gwansannam Elementary School | 관산남초등학교 | | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Bangchon IS | 방촌삼거리 | Bangchon-gil Bangchon 1-gil | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Bangchon IS | 방촌사거리 | Gwansan-ro Cheongwansan-gil | Jangheung County | Gwansan-eup | National Route 77 overlap |
| No name | (이름 없음) | Prefectural Route 827 (Jeongnamjin-ro) | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Solchijae | 솔치재 | | Jangheung County | Gwansan-eup | National Route 77 overlap |
| Solchijae | | | Jangheung County | Yongsan-myeon | National Route 77 overlap |
| Solchijae IS | 솔치재 교차로 | Gwansan-ro | Jangheung County | Yongsan-myeon | National Route 77 overlap |
| Jeopjeong IS | 접정삼거리 | Jeopjeongnampo-ro | Jangheung County | Yongsan-myeon | National Route 77 overlap |
| Yongsan Elementary School Yongsan-myeon Office | 용산초등학교 용산면사무소 | | Jangheung County | Yongsan-myeon | National Route 77 overlap |
| Yongsan IS | 용산삼거리 | National Route 77 (Yongan-ro) | Jangheung County | Yongsan-myeon | National Route 77 overlap |
| Korean black hackerry in Yongsan-myeon, Jangheung Jangheung Prison | 장흥 어산리 푸조나무 장흥교도소 | | Jangheung County | Yongsan-myeon | |
| Jayuljae | 자율재 | | Jangheung County | Yongsan-myeon | |
| Sunji Bridge | 순지교 | | Jangheung County | Yongsan-myeon | |
| Sunji Bridge | | | Jangheung County | Jangheung-eup | |
| Sunji IS | 순지 교차로 | National Route 2 National Route 18 Prefectural Route 55 (Noksaek-ro) | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Sunji IS | 순지삼거리 | Jinheung-ro | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jangheungnam Elementary School | 장흥남초등학교 | | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Chungyeol IS | 충열삼거리 | Prefectural Route 835 (Janggang-ro) | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jangheung Stadium | 장흥공설운동장 | | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Sinnamoeri IS | 신남외리삼거리 | Chilgeoriyeyang-ro | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jangheung Bridge | 장흥대교 | | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Geonsan5gu IS | 건산5구삼거리 | Hongseong-ro Pyeonghwasingi 1-gil | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jangheunggyo IS | 장흥교사거리 | Jangheung-ro Chilgeoriyeyang-ro | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Geonsan7gu IS | 건산7구삼거리 | Bukbu-ro | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jatdu IS | 잣두삼거리 | Donggyo-ro | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Jangheung IC (Jangheung IC IS) | 장흥 나들목 (장흥IC 교차로) | Namhae Expressway | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Busan Bridge | 부산교 | | Jangheung County | Jangheung-eup | Prefectural Route 55 overlap |
| Busan Bridge | | | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Busan IS | 부산사거리 | Naeanguryong-gil Jidong 1-gil | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Simcheon IS | 심천삼거리 | Simcheongongwon-gil | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Simcheon Bridge | 심천교 | | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Jicheon IS | 지천삼거리 | Jicheon-gil | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Jicheon Bridge | 지천교 | | Jangheung County | Busan-myeon | Prefectural Route 55 overlap |
| Jicheon Tunnel | 지천터널 | | Jangheung County | Busan-myeon | Prefectural Route 55 overlap Approximately 935m |
| Jicheon Tunnel | | | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap Approximately 935m |
| Neukryong IS | 늑룡삼거리 | Prefectural Route 820 (Pijae-ro) | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap |
| Neukryong Bridge | 늑룡교 | | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap |
| Majeong IS | 마정삼거리 | Majeong-gil | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap |
| Sinpung IS | 신풍삼거리 | Sinpungsindeok-ro Yuchi-ro | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap |
| Gwandong IS | 관동 교차로 | Bamjae-ro | Jangheung County | Yuchi-myeon | Prefectural Route 55 overlap |
| Namsong IS | 남송삼거리 | Namsong-gil Naesan-gil | Yeongam County | Geumjeong-myeon | Prefectural Route 55 overlap |
| Geumjeong Elementary School Yeongam Geumjeong Middle School | 금정초등학교 영암금정중학교 | | Yeongam County | Geumjeong-myeon | Prefectural Route 55 overlap |
| Yongheung IS | 용흥삼거리 | Prefectural Route 819 (Yeounjae-ro) | Yeongam County | Geumjeong-myeon | Prefectural Route 55 overlap |
| Seoksan IS | 석산삼거리 | Singeum-ro | Yeongam County | Geumjeong-myeon | Prefectural Route 55 overlap |
| Geumdae IS | 금대 교차로 | Yangwa-gil | Yeongam County | Geumjeong-myeon | Prefectural Route 55 overlap |
| Hwadong IS | 화동 교차로 | Seongsandeoksan-gil Seongsanhwadong-gil | Naju City | Seji-myeon | Prefectural Route 55 overlap |
| Obong IS | 오봉 교차로 | Dongchang-ro | Naju City | Seji-myeon | Prefectural Route 55 overlap |
| Seji Tunnel | 세지터널 | | Naju City | Seji-myeon | Prefectural Route 55 overlap Right tunnel: Approximately 366m Left tunnel: Approximately 358m |
| Seji IS | 세지 교차로 | Prefectural Route 55 Prefectural Route 820 (Dongchang-ro) | Naju City | Seji-myeon | Prefectural Route 55 overlap |
| Daesan IS | 대산 교차로 | Dongchang-ro | Naju City | Seji-myeon | |
| Budeok IS | 부덕 교차로 | National Route 1 Prefectural Route 49 Prefectural Route 60 (Bichgaramjangseong-ro) | Naju City | Yeongsan-dong | |
| Yongsan Jugong Apartment IS | 용산주공아파트삼거리 | Prefectural Route 818 (Bonghwang-ro) | Naju City | Yeongsan-dong | |
| Jeonnam Foreign Language High School | 전남외국어고등학교 | | Naju City | Yeongsan-dong | |
| Fornt of Foreign Language | 외국어고앞 | Prefectural Route 49 (Yeongna-ro) Gamatae-gil | Naju City | Yeongsan-dong | Prefectural Route 49 overlap |
| Gwangshin Express | 광신여객 | | Naju City | Yeongsan-dong | Prefectural Route 49 overlap |
| Ichang-dong IS | 이창동삼거리 | National Route 13 (Yehyang-ro) | Naju City | Ichang-dong | National Route 13 overlap Prefectural Route 49 overlap |
| Yeongsanpo Public Bus Terminal | 영산포공용버스터미널 | | Naju City | Ichang-dong | National Route 13 overlap Prefectural Route 49 overlap |
| Ichangtaekji IS | 이창택지삼거리 | Pungmulsijang 1-gil | Naju City | Ichang-dong | National Route 13 overlap Prefectural Route 49 overlap |
| Ungok Bridge | 운곡교 | | Naju City | Ichang-dong | National Route 13 overlap Prefectural Route 49 overlap |
| Ungok Bridge | | | Naju City | Wanggok-myeon | National Route 13 overlap Prefectural Route 49 overlap |
| Jangsan IS (Jangsan Viaduct) | 장산사거리 (장산고가교) | National Route 13 (Yehyang-ro) | Naju City | Wanggok-myeon | National Route 13 overlap Prefectural Route 49 overlap |
| Naju Industrial Park IS | 나주지방산단 교차로 | Dongsunonggongdanji-gil | Naju City | Ichang-dong | Prefectural Route 49 overlap |
| Dongsu IS | 동수 교차로 | National Route 1 Prefectural Route 49 Prefectural Route 60 (Bichgaramjangseong-ro) | Naju City | Ichang-dong | Prefectural Route 49 overlap |
| Dongryeong IS | 동령 교차로 | | Naju City | Wanggok-myeon | Under construction |
| Wangok Elementary School Wolcheon Health Clinic | 왕곡초등학교 월천보건진료소 | | Naju City | Wanggok-myeon | Prefectural Route 49 overlap |
| Bakpo IS | 박포삼거리 | Musuk-ro Hwajeong-ro | Naju City | Wanggok-myeon | Prefectural Route 49 overlap |
| Boksachori IS | 복사초리삼거리 | Prefectural Route 821 (Jami-ro) | Naju City | Gongsan-myeon | Prefectural Route 49 overlap |
| Geumgok IS | 금곡 교차로 | Gongsan-ro Wongeumgok-gil | Naju City | Gongsan-myeon | Prefectural Route 49 overlap |
| Gongsan IS | 공산 교차로 | Prefectural Route 801 (Mahan-ro) | Naju City | Gongsan-myeon | Prefectural Route 49 overlap |
| Idong IS | 이동 교차로 | Gongsan-ro | Naju City | Gongsan-myeon | Prefectural Route 49 overlap |
| Hudong IS | 후동사거리 | Prefectural Route 49 (Donggang-ro) | Naju City | Donggang-myeon | Prefectural Route 49 overlap |
| Byeongban IS | 병반사거리 | Seongji-gil Indong-gil | Naju City | Donggang-myeon | |
| Yangji IS | 양지사거리 | Gayang-ro Baengnyeonsan-ro | Naju City | Donggang-myeon | |
| Donggang Bridge | 동강교 | | Naju City | Donggang-myeon | |
| Donggang Bridge | | | Hampyeong County | Hakgyo-myeon | Prefectural Route 825 overlap |
| Hakgyo-myeon Entrance IS | 학교면입구 교차로 | Hakdari-gil | Hampyeong County | Hakgyo-myeon | Prefectural Route 825 overlap |
| Hakgyo IS | 학교사거리 | National Route 1 Prefectural Route 60 Prefectural Route 825 (Yeongsan-ro) | Hampyeong County | Hakgyo-myeon | Prefectural Route 825 overlap |
| Hakgyo Bus Terminal | 학교버스터미널 | | Hampyeong County | Hakgyo-myeon | |
| Geomjeong IS | 검정오거리 | National Route 24 (Hamjang-ro) | Hampyeong County | Hampyeong-eup | |
| Gigak IS | 기각사거리 | Yeongsu-gil | Hampyeong County | Hampyeong-eup | |
| Baekgok IS | 백곡 교차로 | Prefectural Route 815 (Namil-gil) | Hampyeong County | Hampyeong-eup | Connected with Daeduk IS |
| Yangnim IS | 양림 교차로 | Jupo-ro Yangnim-gil | Hampyeong County | Hampyeong-eup | |
| Hampyeong IC | 함평 나들목 | Seohaean Expressway | Hampyeong County | Hampyeong-eup | |
| Hampyeong High School | 함평고등학교 | | Hampyeong County | Hampyeong-eup | |
| Geumsan IS | 금산 교차로 | Prefectural Route 808 (Sonmu-ro) | Hampyeong County | Daedong-myeon | |
| Yucheon IS | 유천 교차로 | Hakdong-ro | Hampyeong County | Singwang-myeon | Connected with Gadeok IS |
| Eco Park IS | 생태공원 교차로 | Hakdong-ro | Hampyeong County | Singwang-myeon | |
| Jangsan IS | 장산 교차로 | Hakdong-ro Jangsan-gil | Hampyeong County | Singwang-myeon | |
| Singwang Overpass | 신광육교 | Deogil-gil | Hampyeong County | Singwang-myeon | |
| No name | (이름 없음) | Prefectural Route 838 (Singwangjungang-gil) | Hampyeong County | Singwang-myeon | Prefectural Route 838 overlap |
| Wonsan IS | 원산삼거리 | Prefectural Route 838 (Sinhae-ro) | Hampyeong County | Singwang-myeon | Prefectural Route 838 overlap |
| Singwang-myeon Hamjeong-ri IS | 신광면함정리 교차로 | Sammu-gil | Hampyeong County | Singwang-myeon | |
| Yeonhwa IS | 연화삼거리 | Ilgang-ro | Hampyeong County | Singwang-myeon | |
| Anmaeng IS | 안맹삼거리 | Ganghang-ro | Yeonggwang County | Bulgap-myeon | |
| Noksan IS | 녹산사거리 | Gunbul-ro Bangma-ro | Yeonggwang County | Bulgap-myeon | |
| Gasa IS | 가사삼거리 | Ganam-ro | Yeonggwang County | Gunseo-myeon | |
| Noksa IS | 녹사 교차로 | National Route 22 (Yeonggwang-ro) | Yeonggwang County | Yeonggwang-eup | |
| Hakjeong IS | 학정사거리 | Jungang-ro | Yeonggwang County | Yeonggwang-eup | |
| Yeonggwang Middle School Yeonggwang High School | 영광중학교 영광고등학교 | | Yeonggwang County | Yeonggwang-eup | |
| Hanjeon IS | 한전사거리 | Prefectural Route 808 (Cheonnyeon-ro) | Yeonggwang County | Yeonggwang-eup | |
| Terminal IS | 터미널사거리 | Sinnam-ro | Yeonggwang County | Yeonggwang-eup | |
| Danju IS | 단주사거리 | Yeongdae-ro Wolhyeon-ro | Yeonggwang County | Yeonggwang-eup | Connected with Prefectural Route 844 |
| General Hospital IS (Yeonggwang Medical Center) | 종합병원삼거리 (영광종합병원) | Waryong-ro | Yeonggwang County | Yeonggwang-eup | |
| Wolpyeong IS | 월평 교차로 | | Yeonggwang County | Yeonggwang-eup | Under construction |
| Gitbongjae IS (Gitbong IS) | 깃봉재삼거리 (깃봉 교차로) | Myoryang-ro | Yeonggwang County | Yeonggwang-eup | |
| Upyeong IS | 우평 교차로 | | Yeonggwang County | Yeonggwang-eup | |
| Yeonggwang IC Yeonggwang IC IS (Wonheung IS) | 영광 나들목 영광IC 삼거리 (원흥 교차로) | Seohaean Expressway | Yeonggwang County | Yeonggwang-eup | |
| Jangbo IS | 장보사거리 | Prefectural Route 816 (Yeongjang-ro) | Yeonggwang County | Daema-myeon | |
| Goryeong Bridge | 고령교 | | Yeonggwang County | Daema-myeon | |
| Goryeong Bridge | | | Gochang County | Daesan-myeon | North Jeolla Province section |
| Goryeong IS | 고령 교차로 | | Gochang County | Daesan-myeon | South Jeolla Province section Under construction |
| Yaksan IS | 약산 교차로 | | Gochang County | Daesan-myeon | South Jeolla Province section Under construction |
| Oseong IS | 오성 교차로 | | Gochang County | Daesan-myeon | South Jeolla Province section Under construction |
| 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 | Hangul name | Connection | Location | 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 | Gochang County | Seongsong-myeon | |
| Eorim IS | 어림삼거리 | Daeseong-ro | Gochang County | Seongsong-myeon | |
| Hakcheon IS | 학천삼거리 | Hakcheon-ro | Gochang County | Seongsong-myeon | |
| South Gochang IC (South Gochang IS) | 남고창 나들목 (남고창 교차로) | Gochang-Damyang Expressway | Gochang County | Gosu-myeon | |
| Gosu IS | 고수삼거리 | Gosu-ro | Gochang County | Gosu-myeon | |
| Gosu-myeon Office | 고수면사무소 | | Gochang County | Gosu-myeon | |
| Deoksan IS | 덕산삼거리 | Junggeoridangsan-ro | Gochang County | Gochang-eup | |
| Eupnae IS | 읍내사거리 | Nokdu-ro Dongni-ro | Gochang County | Gochang-eup | |
| Eupnae IS | 읍내 교차로 | Jungang-ro | Gochang County | Gochang-eup | Connected with Gochang IC |
| Seokgyo IS | 석교사거리 | Jeonbongjun-ro Soban 3-gil Soban 7-gil | Gochang County | Gochang-eup | |
| Seongdu IS | 성두 교차로 | Prefectural Route 15 (Dongseo-daero) | Gochang County | Gochang-eup | |
| Seongdu IS | 성두삼거리 | Moyangseong-ro | Gochang County | Gochang-eup | |
| Segok IS | 세곡삼거리 | Prefectural Route 708 (Wangnim-ro) | Gochang County | Sinrim-myeon | |
| Sacheon IS | 사천삼거리 | Seonun-daero | Gochang County | Heungdeok-myeon | |
| (Mokhwa Bridge) | (목화교) | National Route 22 (Seonun-daero) | Gochang County | Heungdeok-myeon | National Route 22 overlap |
| Mokhwa IS | 목화 교차로 | Heungdeok-ro | Gochang County | Heungdeok-myeon | National Route 22 overlap |
| Jeha IS | 제하사거리 | National Route 22 (Seonun-daero) | Gochang County | Heungdeok-myeon | National Route 22 overlap |
| Chii IS | 치이삼거리 | Jaenmal-gil | Gochang County | Heungdeok-myeon | |
| Singi IS | 신기삼거리 | Hupo-ro | Gochang County | Heungdeok-myeon | |
| Sindeok IS | 신덕삼거리 | Hupo-ro | Gochang County | Heungdeok-myeon | |
| Sinri IS | 신리삼거리 | Sinri-ro | Buan County | Julpo-myeon | |
| Julpo IS | 줄포사거리 | Prefectural Route 710 (Julpojungang-ro) | Buan County | Julpo-myeon | |
| No name | (이름 없음) | Prefectural Route 707 (Julpo-gil) | Buan County | Julpo-myeon | |
| Julpo Middle School | 줄포중학교 | | Buan County | Julpo-myeon | |
| Julpojung IS | 줄포중삼거리 | Julpoyongseo-gil | Buan County | Julpo-myeon | |
| Yeongjeon IS | 영전사거리 | National Route 30 (Cheongja-ro) Yeongjeon-gil | Buan County | Boan-myeon | |
| Yeongjeon Elementary School | 영전초등학교 | | Buan County | Boan-myeon | |
| Yujeong IS | 유정삼거리 | Jongyu-ro | Buan County | Sangseo-myeon | |
| Bongeun IS | 봉은삼거리 | Gaeam-ro | Buan County | Sangseo-myeon | |
| Monkey Park Udeok Elementary School Sangseo-myeon Office | 원숭이학교 우덕초등학교 상서면사무소 | | Buan County | Sangseo-myeon | |
| Sangseo IS | 상서사거리 | Prefectural Route 736 (Goindol-ro) Manseok-ro | Buan County | Sangseo-myeon | |
| Baekseok Bridge | 백석교 | | Buan County | Sangseo-myeon | |
| Baekseok Bridge | | | Buan County | Haengan-myeon | |
| Sports Park IS | 스포츠파크사거리 | Sunhwanbung-ro Sunhwannam-ro | Buan County | Haengan-myeon | |
| Haeang School IS | 행안초교사거리 | Maechang-ro Wollyun-gil | Buan County | Haengan-myeon | |
| Singi IS | 신기 교차로 | Orijeong-ro | Buan County | Haengan-myeon | |
| Songjeong IS | 송정 교차로 | Prefectural Route 705 (Beonyeong-ro) Byeonsan-ro Seomun-ro | Buan County | Haengan-myeon | Prefectural Route 705 overlap |
| Seorim IS | 서림 교차로 | Hangamae-gil | Buan County | Buan-eup | Prefectural Route 705 overlap |
| Bonghwang IS | 봉황 교차로 | National Route 30 (Byeonsanbada-ro) | Buan County | Dongjin-myeon | Prefectural Route 705 overlap |
| Sinnong IS | 신농 교차로 | Prefectural Route 705 (Dongjin-ro) | Buan County | Dongjin-myeon | Prefectural Route 705 overlap |
| Gomaje IS | 고마제 교차로 | Gomaje-ro | Buan County | Dongjin-myeon | |
| Dongjin Bridge | 동진대교 | | Buan County | Dongjin-myeon | |
| Dongjin Bridge | | | Gimje City | Juksan-myeon | |
| Soje IS | 소제 교차로 | Seopo 2-gil | Gimje City | Juksan-myeon | |
| Eonpo IS | 언포 교차로 | Juksan-ro | Gimje City | Juksan-myeon | |
| Juksan Bridge | 죽산교 | | Gimje City | Juksan-myeon | |
| Obong IS | 오봉 교차로 | Juksan-ro | Gimje City | Juksan-myeon | |
| Okseong IS | 옥성 교차로 | Juksan-ro Oseong 3-gil | Gimje City | Juksan-myeon | |
| No name | (이름 없음) | Okseong-ro | Gimje City | Juksan-myeon | |
| Yeonjeong 1 Bridge | 연정1교 | | Gimje City | Juksan-myeon | |
| Yeonjeong 1 Bridge | | | Gimje City | Gyowol-dong | |
| Yeonjeong IS | 연정 교차로 | | Gimje City | Gyowol-dong | Under construction |
| Husin 1 IS | 후신1 교차로 | Juksan-ro Husin-gil | Gimje City | Gyowol-dong | |
| Husin IS | 후신 교차로 | National Route 29 (Byeokseong-ro) Woljuk-ro | Gimje City | Gyowol-dong | National Route 29 overlap |
| Seoam IS | 서암사거리 | National Route 29 (Geumman-ro) | Gimje City | Yochon-dong | National Route 29 overlap |
| Seohung IS (Daehakro Underpass) | 서흥 교차로 (대학로지하차도) | Prefectural Route 712 (Nambuk-ro) Byeokseong-ro | Gimje City | Yochon-dong | Prefectural Route 712 overlap |
| Deokam Middle School Deokam High School Deokam Information High School | 덕암중학교 덕암고등학교 덕암정보고등학교 | | Gimje City | Yochon-dong | Prefectural Route 712 overlap |
| Heungsa IS | 흥사 교차로 | Prefectural Route 712 (Baeksan-ro) | Gimje City | Yochon-dong | Prefectural Route 712 overlap |
| Heungboksa Temple Entrance | 흥복사입구 | Seungban-gil | Gimje City | Yochon-dong | |
| Saneopdoro IS | 산업도로 교차로 | Arirang-ro | Gimje City | Yochon-dong | |
| Sangjeong IS | 상정 교차로 | Jongjeong-gil | Gimje City | Baeksan-myeon | |
| Baeksan IS | 백산 교차로 | Prefectural Route 702 (Nongje-ro) | Gimje City | Baeksan-myeon | Prefectural Route 702 overlap |
| Jongeol IS | 존걸 교차로 | Prefectural Route 702 (Soeumbang-ro) Yugang-ro Hwanggyeong-gil | Gimje City | Gongdeok-myeon | Prefectural Route 702 overlap |
| Songsan Overpass | 송산육교 | Gongdeok 4-gil | Gimje City | Gongdeok-myeon | |
| Gongdeok IS | 공덕 교차로 | National Route 21 (Saemangeumbuk-ro) | Gimje City | Gongdeok-myeon | |
| Mokcheon Bridge | 목천대교 | | Gimje City | Gongdeok-myeon | |
| Mokcheon Bridge | | | Iksan City | Osan-myeon | |
| Mokcheon IS | 목천 교차로 | National Route 26 (Beonyeong-ro) | Iksan City | Osan-myeon | |
| Songhak IS | 송학 교차로 | National Route 27 (Gunik-ro) | Iksan City | Osan-myeon | National Route 27 overlap |
| (Oegeom) | (외검) | Hangjaeng-ro | Iksan City | Osan-myeon | National Route 27 overlap |
| Jangsin IS | 장신 교차로 | Osan-ro | Iksan City | Osan-myeon | National Route 27 overlap |
| Yeongman Bridge Cheongsu Bridge | 영만교 청수교 | | Iksan City | Osan-myeon | National Route 27 overlap |
| Yeongman IS | 영만 교차로 | National Route 27 (Gunik-ro) | Iksan City | Osan-myeon | National Route 27 overlap |
| (Unnamed bridge) | (교량 명칭 미상) | | Iksan City | Osan-myeon | |
| (Unnamed bridge) | (교량 명칭 미상) | | Iksan City | Sin-dong | |
| (Unnamed bridge) | Hwangdeung-myeon | | Iksan City | | |
| (Unnamed bridge) | Hwangdeung-myeon | (교량 명칭 미상) | Iksan City | | |
| Dongryeon IS | Hwangdeung-myeon | 동련 교차로 | Iksan City | Prefectural Route 722 (Hwangdeungseo-ro) | |
| Dongryeon IS | Hamna-myeon | | Iksan City | Prefectural Route 722 (Hwangdeungseo-ro) | |
| (Unnamed bridge) | Hamna-myeon | (교량 명칭 미상) | Iksan City | | |
| Jukchon IS | 죽촌 교차로 | Siwa-ro | Iksan City | Hwangdeung-myeon | |
| (Unnamed bridge) | (교량 명칭 미상) | | Iksan City | Hamyeol-eup | |
| Dasong IS | 다송 교차로 | Iksan-daero | Iksan City | Hamyeol-eup | |
| Dasong IS (Overpass) | 다송사거리 (고가) | Prefectural Route 723 (Baekje-ro) | Iksan City | Hamyeol-eup | |
| Yongwang IS | 용왕 교차로 | Mireuksaji-ro | Iksan City | Hamyeol-eup | |
| Jeongdong IS | 정동오거리 | Prefectural Route 724 (Hamnang-ro) Hamyeol 10-gil | Iksan City | Hamyeol-eup | |
| Namdang IS | 남당사거리 | Hamyeoljungang-ro | Iksan City | Hamyeol-eup | |
| Hamyeol Girls' High School | 함열여자고등학교 | | Iksan City | Hamyeol-eup | |
| Hamyeol IS | 함열 교차로 | Wari 5-gil Chilmok-gil | Iksan City | Hamyeol-eup | |
| Dongjisan-ri | 동지산리 | Anseong-ro | Iksan City | Yongan-myeon | |
| An Bridge Songsan Overpass | 안대교 송산육교 | | Iksan City | Yongan-myeon | |
| Songsan IS | 송산 교차로 | Hamyeol-ro | Iksan City | Yongan-myeon | |
| Haknam Bridge | 학남교 | | Iksan City | Yongan-myeon | |
| Yongan Entrance IS | 용안입구 교차로 | Prefectural Route 706 (Hyeonnae 1-ro) | Iksan City | Yongan-myeon | |
| Deokyong IS | 덕용 교차로 | Prefectural Route 711 (Haman-ro) | Iksan City | Yongan-myeon | |
| Yongan Bridge | 용안교 | | Iksan City | Yongan-myeon | |
| Jungsin IS | 중신 교차로 | Hyeonnae-ro | Iksan City | Yongan-myeon | |
| Un Bridge | 운교 | | Iksan City | Yongan-myeon | |
| Un Bridge | | | Iksan City | Yongdong-myeon | |
| Gusan-ri | 구산리 | Yongdong-ro | Iksan City | Yongdong-myeon | |
| Hwasan IS | 화산 교차로 | Nabawi-gil Hwasan 1-gil | Iksan City | Mangseong-myeon | |
| Hwasan Bridge | 화산교 | | Iksan City | Mangseong-myeon | |
| Mangseong IS | 망성 교차로 | Prefectural Route 68 (Ganggyeong-Yeonmugan Road) | Iksan City | Mangseong-myeon | Prefectural Route 68 overlap Continuation into South Chungcheong Province |
| Mangseongdojeong Factory | 망성도정공장 | | Iksan City | Mangseong-myeon | Prefectural Route 68 overlap Continuation into South Chungcheong Province |

### South Chungcheong Province·Sejong City

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