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|---|---|
| 서울특별시도 제31호선 | |
| Jangji - Seongsu Line | |
| Route information | |
| Length | 11.73 km (7.29 mi) |
| Major junctions | |
| From | Songpa District, Seoul |
| To | Seongdong District, Seoul |
| Location | |
| Country | South Korea |
| Highway system | |
Seoul Metropolitan City Route 31 (Korean: 서울특별시도 제31호선) is a trunk road located in Seoul, South Korea. With a total length of 11.73 km (7.29 mi), this road starts from the Jangji-dong in Songpa District, Seoul to Seongsu-dong 1-ga in Seongdong District.
IS: Intersection, IC: Interchange
| Road name | Name [1] | Hangul name | Connection | Location | Note | |
|---|---|---|---|---|---|---|
Connected with  National Route 3 (Seongnam-daero)
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| Songpa-daero | Bokjeong station IS | 복정역 교차로 | Seoul City Route 27 (Heolleung-ro) Prefectural Route 342 (Heolleung-ro) |
Seoul | Songpa District | |
| Songpa IC | 송파 나들목 | Seoul Ring Expressway | ||||
| Jangji Bridge IS | 장지교 교차로 | Seoul City Route 3102 (Tancheondong-ro) Wiryejungang-ro |
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| Jangji Bridge | 장지교 | Jangjicheon | ||||
| Jangji station | 장지역 | Chungmin-ro | ||||
| Geonyeong Apartment IS | 건영아파트앞 사거리 | Saemal-ro | ||||
| Munjeong station IS | 문정역 교차로 | Munjeong-ro | ||||
| Olympic Family Town IS | 올림픽훼밀리타운 교차로 | Dongnam-ro | ||||
| Garak Market station IS | 가락시장역 교차로 | Seoul City Route 4101 (Jungdae-ro) |
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| Garak Market IS | 가락시장 교차로 | Seoul City Route 42 (Yangjae-daero) | Songpa Underpass section | |||
| Songpa station | 송파역 | |||||
| Songpa IS | 송파사거리 | Garak-ro | ||||
| Seokchon station IS | 석촌역 교차로 | Seoul City Route 0501 (Baekjegobun-ro) | ||||
| Seokchon Lake IS | 석촌호수 교차로 | Seokchonhosu-ro | ||||
| Jamsil Lake Bridge | 잠실호수교 | Seokchon Lake Park | ||||
| Seokchon Lake IS | 석촌호수 교차로 | Jamsil-ro | ||||
| Jamsil station IS | 잠실역 교차로 | Seoul City Route 44 (Olympic-ro) | ||||
| Jamsil Bridge IC | 잠실대교남단 | Seoul City Route 3105 (Olympic-ro 35-gil) | ||||
| Jamsil Bridge JCT | 잠실대교분기점 | Seoul City Route 05 (Olympic-daero) Hangaram-ro |
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| Jamsil Bridge | 잠실대교 | |||||
| Gwangjin District | ||||||
| Jamsil Bridge IC | 잠실대교북단 |  National Route 46 (Gangbyeonbuk-ro)Seoul City Route 04 (Gangbyeonbuk-ro) |
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| Jayang-ro | ||||||
| Jamsil Bridge IC | 잠실대교북단 | Seoul City Route 3111 (Ttukseom-ro) | ||||
| Jayang IS (Guui station) |
자양사거리 (구의역) |
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| Achasan-ro | ||||||
| (Unnamed) | (명칭미상) | Jayanggangbyeon-ro | ||||
| (Konkuk University) | (건국대학교) | Achasan-ro 36-gil | ||||
| Konkuk University station IS (Konkuk University Medical Center) |
건대입구역 교차로 (건국대학교병원) |
Seoul City Route 0405 (Neungdong-ro) | Subway station | |||
| Seongsu IS | 성수사거리 |  National Route 47 (Tongil-ro)Seoul City Route 32 (Dongil-ro) |
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| Seongdong District | ||||||
| Seongsu station | 성수역 | Seongsui-ro | Subway station | |||
| Kyungdong Elementary School IS | 경동초등학교입구 교차로 | Seongsuil-ro | ||||
| Ttukseom station | 뚝섬역 | Subway station | ||||
| Ttukseom Station IS | 뚝섬역 교차로 | Wangsimni-ro | ||||
| Wangsimni-ro | ||||||
| Seongdong Bridge IS | 성동교 교차로 | Seoul City Route 48 (Gwangnaru-ro) Seoul City Route 3001 (Gwangnaru-ro) |
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| Connected with Seoul City Route 48 (Gwangnaru-ro) | ||||||
