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20
National Route 20
20 National Route 20
국도 제20호선
Route information
Length	230.2 km (143.0 mi)
Existed	14 March 1981–present
Major junctions
West end	Sancheong County, South Gyeongsang Province
East end	Pohang, North Gyeongsang Province
Location
Country	South Korea
Highway system
	Highway systems of South Korea; Expressways; National; Local;

National Route 20 is a national highway in South Korea connects Sancheong to Pohang. It was established on 14 March 1981.^[1]

Main stopovers

South Gyeongsang Province

Sancheong County - Uiryeong County - Hapcheon County - Changnyeong County

North Gyeongsang Province

Cheongdo County - Gyeongju - Pohang

Major intersections

(■): Motorway

IS: Intersection, IC: Interchange

South Gyeongsang Province

Name ^[2]	Hangul name	Connection	Location		Note
Jungsan-ri	중산리		Sancheong County	Sicheon-myeon	Terminus
Jungsan Bridge	중산교
(Samdang Bridge)	(삼당교 동단)	Prefectural Route 1047 (Samsinbong-ro)			Prefectural Route 1047 overlap
Sincheon Elementary School	신천초등학교				Prefectural Route 1047 overlap
(Oegongma-eul)	(외공마을)	National Route 59			Prefectural Route 1047 overlap National Route 59 overlap
Wonri IS	원리 교차로	National Route 59 (Jirisan-daero)			National Route 59 overlap
No name	(이름 없음)	Chinhwangyeong-ro
Sari IS	사리 교차로	Nammyeong-ro
Changchon IS	창촌삼거리	Prefectural Route 1005 (Okdan-ro)		Danseong-myeon
(Hoam Bridge)	(호암교 남단)	Prefectural Route 1001 (Hoam-ro)			Prefectural Route 1001 overlap
Namsa IS	남사삼거리	Prefectural Route 1001 (Mokhwa-ro)			Prefectural Route 1001 overlap
No name	(이름 없음)	Prefectural Route 1049 (Mokhwa-ro)
Baeyang Bridge	배양교	Prefectural Route 1049 (Mokhwa-ro) (Seongcheol-ro)
Danseong IC	단성 나들목	Tongyeong–Daejeon Expressway Mokhwa-ro
Danseong High School IS	단성중고교앞사거리	Gangnubangmok-ro Jirisan-daero 3362beon-gil
Danseong Bridge	단성교
Danseong Bridge				Sinan-myeon
Wonji IS	원지삼거리	Jungchongalcheon-ro
No name	(이름 없음)	Wonji-ro
Hajeong IS	하정 교차로	National Route 3 (Sancheong-daero)
(Cheonghyeon Bridge)	(청현교 북단)	Prefectural Route 1006 (Cheonghyeon-ro)			Prefectural Route 1006 overlap
Mundae Clinic	문대보건진료소
Mundae IS	문대삼거리	Prefectural Route 1006 (Sincha-ro)
Sinan Bridge	신안교
Dori IS	도리 교차로	Biryang-ro		Saengbiryang-myeon
Saengbiryang IS	생비량삼거리	Jinsan-ro
Saengbiryang IS	생비량 교차로	National Route 33 (Daesin-ro)			National Route 33 overlap
Songgye Bridge	송계교
Daeui IS	대의 교차로	National Route 33 (Hapcheon-daero)	Uiryeong County	Daeui-myeon
Massang IS	마쌍 교차로	Daeui-ro
No nane	(이름 없음)	Daeui-ro
Pyeongchon IS	평촌 교차로	Missang 2-gil
Jukjeon IS	죽전 교차로	Hanti-ro
Dasa IS	다사 교차로	Hanti-ro
Dasa Tunnel	다사터널				Approximately 660m
Dasa Tunnel				Chilgok-myeon	Approximately 660m
Yangchon IS	양촌 교차로	Hanti-ro
Sannam IS	산남 교차로	Hanti-ro
Chilgok IS	칠곡 교차로	Chilgok-ro
Ibam IS	입암 교차로	Prefectural Route 1013 (Chilgok-ro) (Jinui-ro)
Bongdu IS	봉두 교차로	Hongui-ro		Garye-myeon
Unam Overpass	운암육교
Garye Overpass	가례육교	Hongui-ro
Garye IS	가례 교차로	Uibyeong-ro
Namcheon IS	남천삼거리	Prefectural Route 1037 (Byeokhwa-ro)		Uiryeong-eup	Prefectural Route 1037 overlap
Seobu IS	서부삼거리	Prefectural Route 1037 (Uibyeong-ro 8-gil)			Prefectural Route 1037 overlap
Uibyeong IS	의병사거리	Chungik-ro
Guryong IS	구룡사거리	Guryong-ro Namsan-ro
Baekya IS	백야오거리	National Route 79 (Uiryeong-daero) Namgang-ro Baeksan-ro
Mujeon IS	무전삼거리	Baeksan-ro
Gyoam IS	교암사거리	Deokam-ro Sosang-ro		Yongdeok-myeon
No name	(이름 없음)	Yongam-ro
Jindeungjae	진등재
Jindeungjae				Jeonggok-myeon
Jukjeon-ri	죽전리	Prefectural Route 1029			Under construction
Jeonggok IS	정곡삼거리	Beopjeong-ro
Junggyo IS	중교사거리	Prefectural Route 1011 (Beopjeong-ro)
Jeonggok Middle School	정곡중학교
Yasan IS	야산삼거리	Prefectural Route 1041 (Cheongjeong-ro)		Yugok-myeon	Prefectural Route 1041 overlap
Segan IS	세간삼거리	Prefectural Route 1041 (Hamui-ro)			Prefectural Route 1041 overlap
Segan Bridge IS	세간교삼거리	Prefectural Route 60 Prefectural Route 1008 (Bakjin-ro)			Prefectural Route 60 overlap
No name	(이름 없음)	Danwon-ro Sinbeon-ro		Burim-myeon	Prefectural Route 60 overlap
Burim Bridge	부림교	Daehan-ro
Uiryeong IC	의령 나들목	Hamyang-Ulsan Expressway			Under construction
Yeobae Bridge	여배교
Wonjin Bridge	원진교		Hapcheon County	Cheongdeok-myeon
Jeokpo IS	적포삼거리	National Route 24 (Dongbu-ro)			National Route 24 overlap
Seokpo Bridge	적포교
Seokpo Bridge			Changnyeong County	Ibang-myeon
Inam IS	이남삼거리	Prefectural Route 67 Prefectural Route 79 (Ibang-ro)			National Route 24 overlap Prefectural Route 67, 79 overlap
Yueo Bridge	유어교
Yueo Bridge				Yueo-myeon
Yueo-myeon Office	유어면사무소
Yueo IS	유어삼거리	National Route 79 Prefectural Route 67 (Yeongsanjangma-ro)
No name	(이름 없음)	Uponeup-gil			National Route 24 overlap
Boncho IS	본초삼거리	Gwandong-gil		Daeji-myeon
Changnyeong IC (Changnyeong IC IS)	창녕 나들목 (창녕IC사거리)	Jungbu Expressway Upoyueonong-ro		Changnyeong-eup
Orijeong IS	오리정사거리	Prefectural Route 1080 (Upo 2-ro)
Myeongdeok Elementary School Changnyeong Seokbinggo	명덕초등학교 창녕 석빙고
Songhyeon IS	송현사거리	Cheokgyeongbi-ro Hwawangsan-ro
Changnyeong Gyo-dong and Songhyeon-dong Tombstone	창녕 교동과 송현동 고분군
Changnyeong Technical High School	창녕공업고등학교			Goam-myeon
Goam IS	고암사거리	Eonmanmisan-ro Jungdae-gil
Goam IS	고암사거리	National Route 24 (Changmil-ro)
Goam-myeon Office Jungdae Bridge	고암면사무소 중대교
Banggoljae	방골재
Banggoljae				Seongsan-myeon
Bangri IS	방리사거리	Prefectural Route 1034 (Seongsan-ro)
Beotijae IS	버티재삼거리
Beotijae	버티재				Continuation into North Gyeongsang Province

North Gyeongsang Province

Name ^[3]	Hangul name	Connection	Location		Note
Beotijae	버티재		Cheongdo County	Punggak-myeon	South Gyeongsang Province - North Gyeongsang Province border line
Geumgok IS	금곡삼거리	Geumdong-gil
Punggak Overpass	풍각육교	Bonggi-ro Wolbong-gil
Songseo 1 Bridge	송서1교
Songseo 2 Bridge	송서2교
Songseo 2 Bridge				Gaknam-myeon
Sindang IS	신당 교차로	Prefectural Route 30 Prefectural Route 902 (Gaknam-ro) (Hanjae-ro) (Heolti-ro)
Yeri IS	예리 교차로	Yeri 4-gil
Gaknam IS	각남 교차로	Prefectural Route 30 (Iseo-ro)
Seosang IS	서상 교차로	Dojugwan-ro Yeonji-ro		Hwayang-eup
Hapcheon IS	합천삼거리	Hwayang-ro
Hwayang IS	화양삼거리	Hwayang-ro
Nulmi IS	눌미사거리	Donggo-gil Dongcheon 3-gil
Stadium IS (Cheongdo Public Stadium)	운동장앞사거리 (청도공설운동장)
Beomgok IS	범곡사거리	Cheonghwa-ro Beomgok-gil
Cheongdo Bridge	청도대교
Cheongdo Bridge				Cheongdo-eup
Mogang IS	모강 교차로	National Route 25 (Saemaeul-ro)
Wondang IS	원당삼거리	Jungang-ro
Buya IS	부야 교차로	Palchi-gil
Gomtijae Tunnel	곰티재터널				Approximately 1,030m
Gomtijae Tunnel				Maejeon-myeon	Approximately 1,030m
Gomtae IS	곰태 교차로	Gomti-ro
Gwanha-ri	관하리	Prefectural Route 925 (Gwanbang-ro)
Maejeon Health Center Maejeon-myeon Office	매전보건지소 매전면사무소
Maejeon IS	매전삼거리	National Route 58 (Cheongmae-ro)
Maejeon Bridge IS	매전교삼거리	Prefectural Route 919 (Seonam-ro)
Donggokjae	동곡재
Donggokjae				Geumcheon-myeon
Donggok IS	동곡네거리	Prefectural Route 69 (Geumcheon-ro)			Prefectural Route 69 overlap
Geumcheon-myeon Office	금천면사무소
Geumcheon IS	금천네거리	Prefectural Route 919 (Seonam-ro)
Donggok IS	동곡삼거리	Prefectural Route 919 (Geumcheon-ro)			Prefectural Route 69, 919 overlap
Bangji Elementary School	방지초등학교				Prefectural Route 69, 919 overlap
Daecheon Public Bus Terminal	대천공용여객자동차터미널			Unmun-myeon
Daecheon IS	대천삼거리	Prefectural Route 69 (Unmun-ri)
Unmundaem	운문댐				Prefectural Route 919 overlap
Unmundaem IS	운문댐삼거리	Prefectural Route 919 (Unyong-ro)			Prefectural Route 919 overlap
Jichon IS	지촌삼거리	Prefectural Route 921 (Unbuk-ro)			Prefectural Route 921 overlap
Jichon 2 Bridge	지촌2교
Sinwon 1 Bridge Sinwon 2 Bridge	신원1교 신원2교
Sinwon 1 Bridge Sinwon 2 Bridge			Gyeongju City	Sannae-myeon
Sannae IS	산내네거리	Prefectural Route 921 (Munbok-ro)
Uigok Bridge	의곡교
Danggogae	당고개
Danggogae				Geoncheon-eup
Geocheon IC	건천 나들목	Gyeongbu Expressway
(Cheonpo-ri)	(천포리)	Danseok-ro
Yongmyeong Overpass	용명육교
North Geoncheon IC	북건천 나들목	National Route 4 National Route 35 (Daegyeong-ro)
Geoncheo Tunnel	건천터널				Right tunnel: Approximately 615m Left tunnel: Approximately 627m
Daegok IS	대곡 교차로	Daegogyongmyeong-gil
Gyeongju Tunnel	경주터널				Right tunnel: Approximately 2,080m Left tunnel: Approximately 2,060m
Gyeongju Tunnel				Hyeongok-myeon
Hyeongok IS	현곡 교차로	Prefectural Route 904 (Yongdam-ro)
Malgubul Tunnel	말구불터널				Right tunnel: Approximately 465m Left tunnel: Approximately 440m
Malgubul Tunnel				Angang-eup
Sabang IS	사방 교차로	Anhyeon-ro
Sabang Bridge	사방대교
Hyeongsangang Bridge	형산강교
Hyeongsangang Bridge				Cheonbuk-myeon
North Gyeongju IC	북경주 나들목	National Route 7 (Saneop-ro)
No name	(이름 없음)	Hwasangongdan-gil
Sinwangsin Bridge	신왕신교
Gangdong Tunnel	강동터널				Right tunnel: Approximately 1,215m Left tunnel: Approximately 1,235m
Gangdong Tunnel				Gangdong-myeon
Gangdong Bridge	강동교
Wangsin IC	왕신 나들목	Prefectural Route 945 (Cheongang-ro)
Gangdongsandan Bridge	강동산단교	Gangdongsandan-ro
Ubok IS	우복 교차로	National Route 31 (Yeongilman-daero)	Pohang City	Nam District Yeonil-eup
Namseong IS	남성 교차로	Honggye-gil 62beon-gil Namseong-gil Namseong-gil 1-gil		Nam District Daesong-myeon
Namcheon Bridge	남천교	Unje-ro		Nam District Daesong-myeon
(Dongkuk Steel)	(동국제강앞)	Jangheung-ro		Nam District
(Pohang Electrical substation)	(포항변전소)	Goedong-ro Cheolgang-ro
Jangheung-dong IS	장흥동사거리	Prefectural Route 20 (Cheolkang-ro)
Dongkuk Structures & Construction	동국에스앤씨
Hyundai Special Steel Pohang Factory	현대종합특수강 포항공장	Seoman-ro
POSCO Engineering & Construction Jenae Bridge Goedong Station	포스코건설 제내교 괴동역
Hyundai Steel IS	현대제철삼거리	Donghaean-ro			Terminus

References

^ 대통령령 제10247호 일반국도노선지정령, 1981년 3월 14일 일부개정.
^ 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