| Country: | KOR |
| Type: | Seoul |
| Route: | 31 |
| Length Km: | 17 |
| Terminus A: | Seocho District, Seoul |
| Terminus B: | Jongno District, Seoul |
Seoul Metropolitan City Route 31 is an urban road located in Seoul, South Korea. With a total length of 17km (11miles), this road starts from the Juam 2 Bridge in Seocho District, Seoul to Sejong-daero Intersection in Jongno District.
IS: Intersection, IC: Interchange
| Road name | Name [1] | 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 Court Seoul Central District Prosecutor's Office | 대법원 서울중앙지방검찰청 | ||||||
| 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 Bridge Jamsu Bridge | 반포대교 잠수교 | ||||||
| Yongsan District | |||||||
| Banpo Br. IC (North) | 반포대교북단 나들목 | Gangbyeonbuk-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-ro Sinheung-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 overlap One-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) | |||||||