Home›600 V DC railway electrification›Blue Line🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsРусскийไทย한국어中文日本語EntityQ152015· pop 11· linked from 366 articlesBlue LineAlso known as MBTA Blue Linesubway line of the MBTA (Boston subway system)Wikidata factsImageTrain at Orient Heights, November 2013.JPGShow 4 more factsCommons categoryMBTA Blue LinesRGB color hex triplet2F5DA6date of official opening1904-00-00route numberblueSources (2)wikidata.orgde.wikipedia.orgvia Wikidata · CC0Available in 11 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsUkrainianWu ChineseไทยConnectionsRed LineEntityoverhead contact lineEntityCategories600 V DC railway electrificationAirport rail links in the United StatesBlue Line (MBTA)Standard-gauge railways in the United StatesTransportation in Suffolk County, MassachusettsTunnels completed in 1904