🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийفارسی한국어中文日本語EntityQ1826677· pop 18· linked from 56 articlesMadrid Metro Line 4rapid transit line of the Madrid MetroWikidata factsOfficial websitewww.metromadrid.es/es/viaja_en_metro/red_de_metro/lineas_y_horarios/linea04.htmlImageEstacion de Mar de Cristal, L4, 2024 (02).jpgSources (5)wikidata.orgen.wikipedia.orgabc.eses.wikipedia.orges.wikipedia.orgvia Wikidata · CC0On the mapAvailable in 18 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoCatalanCzechEsperantoConnectionsCercanías MadridEntityPinar de ChamartínEntityCategories1944 establishments in SpainCommons link is locally definedMadrid Metro linesRailway lines opened in 1944