Seoul Metropolitan City Route 31 () is an urban road located in Seoul, South Korea. With a total length of , this road starts from the Juam 2 Bridge in Seocho District, Seoul to Sejong-daero Intersection in Jongno District.

Stopovers

Seoul Seocho District - Yongsan District - Jung District - Jongno District

List of Facilities IS: Intersection, IC: Interchange

Road name Name Intersection and interchange are also included, as well as buildings and facilities in the surrounding area Hangul name Connection Location Note Connected with Local Route 309 (Umyeonsan-ro) Umyeonsan-ro Juam 2 Bridge 주암2교 Seoul Seocho District Boundary Seonam IC 선암 나들목 National Route 47 (Jungang-ro, Yangjae-daero) Omyeonsan Tunnel Tollgate 우면산터널 요금소 Umyeonsan Tunnel 우면산터널 Total length: 2070m Seoul Arts Center IS 예술의전당 교차로 Seoul City Route 92 (Nambu Beltway) Banpo-daero Seocho 3-dong IS 서초3동사거리 Hyoryeong-ro University of Education Entrance IS 교대입구 교차로 Saimdang-ro Seocho Station IS 서초역 교차로 Seoul City Route 90 (Seocho-daero) Supreme CourtSeoul Central District Prosecutor's Office 대법원서울중앙지방검찰청 Seoul St. Mary's Hospital IS 서울성모병원 교차로 Sapyeong-daero Seoul Express Bus Terminal IS(Banpo-dong IS) 고속터미널 교차로(반포동 교차로) Sinbanpo-ro Gangnam Terminal Overpass section Banpo Br. IC (South) 반포대교남단 나들목 Olympic-daero Banpo BridgeJamsu Bridge 반포대교잠수교 Yongsan District Banpo Br. IC (North) 반포대교북단 나들목Gangbyeonbuk-ro National Route 46 (Gangbyeonbuk-ro)Local Route 23 (Gangbyeonbuk-ro)Seobinggo-ro Noksapyeong-daero (Banpo Br. IS) (반포대교북단 교차로) Seobinggo-ro Hangang Middle School IS 한강중교앞 교차로 Seobinggo-ro 51-gil Yongsan District Office 용산구청 Noksapyeong Station IS 녹사평역 교차로 Itaewon-ro Itaewon Underpass section Service Support Corps IS 재정관리단앞 교차로 Hoenamu-roSinheung-ro No name (이름 없음) Noksapyeong-daero 58-gil(Namsan 2nd Tunnel) Namsan 3rd Tunnel 남산3호터널 Total length: 1270m Jung District Sogong-ro Namsan 3rd Tunnel Tollgate 남산3호터널 요금소 Hoehyeon IS 회현사거리 Toegye-ro Bank of Korea IS 한국은행앞 교차로 Namdaemun-ro City Hall IS(Seoul City Hall, Seoul Square) 시청 교차로(서울특별시청, 서울광장) Seoul City Route 60 (Eulji-ro) Seoul City Route 60 overlapOne-way City Hall IS(Seoul Square, Daehanmun, City Hall Station 시청 교차로(서울광장, 대한문, 시청역) Seoul City Route 60 (Sejong-daero) Sejong-daero No name (이름 없음) Sejong-daero 20-gil Cheonggye Square IS 청계광장 교차로 Cheonggyecheon-ro Sejong-daero IS 세종대로사거리 National Route 6 (Saemunan-ro, Jongno) Jongno District Connected with National Route 48 (Sejong-daero)

References