Seoul Metropolitan City Route 31 () is a trunk road located in Seoul, South Korea. With a total length of , this road starts from the Jangji-dong in Songpa District, Seoul to Seongsu-dong 1-ga in Seongdong District.

Stopovers

; Seoul * Songpa District - Gwangjin District - Seongdong District

List of Facilities

IS: Intersection, IC: Interchange

References

{{Public transport in the Seoul Metropolitan Area Roads in Seoul