🌐EnglishEnglishBahasa IndonesiaFrançaisItalianoSvenskaРусскийไทย한국어中文日本語EntityQ304264· pop 14· linked from 376 articlesLine 4Also known as Line 4, Beijing Subway, BJMTR Line 4Railway line of Beijing SubwayWikidata factsImage010 entering Anheqiao North (20210218155436).jpgSources (1)wikidata.orgvia Wikidata · CC0Available in 14 languagesFrançais中文日本語ItalianoBahasa IndonesiaHungarianMalaySvenskaUrduWu ChineseConnectionsBeijing SubwayEntitypublic–private partnershipEntityCategories2009 establishments in China750 V DC railway electrificationBeijing Subway linesMTR CorporationRailway lines opened in 2009