# Seoul Metropolitan Subway Line 4

> Seoul Subway Line 4 (dubbed The Blue Line) of the Seoul Metropolitan Subway is a long line crossing from the southwest to the northeast across the Seoul National Capital Area. The central section in Seoul City is operated by Seoul Metro with through

**Wikidata**: [Q489253](https://www.wikidata.org/wiki/Q489253)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seoul_Subway_Line_4)  
**Source**: https://4ort.xyz/entity/seoul-metropolitan-subway-line-4


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. [2020년 1~12월 서울교통공사 수송실적. Seoul Metro](http://www.seoulmetro.co.kr/kr/board.do?menuIdx=548&bbsIdx=2211911)