Home›1978 establishments in Austria›Vienna U-Bahn🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийفارسیไทย한국어中文日本語EntityQ209400· pop 48· linked from 322 articlesVienna U-BahnAlso known as U-Bahn Wiensubway transport in Vienna, AustriaKey factsNative nameU-Bahn WienLocaleVienna, AustriaTransit typeRapid transitLine number(future)Annual ridership404.8 million (2023)WebsiteWiener LinienBegan operation8 May 1976 ( 1976-05-08 ) (test operation) 25 February 1978 ; 48 years ago ( 1978-02-25 ) (official opening)Operator sWiener LinienHeadway2–15 minutesSystem length83.9 km (52 mi 11 ch)Track gauge1,435 mm ( 4 ft 8 + 1 ⁄ 2 in )Electrification750 V DC third rail (U1–U4) 750 V DC overhead lines (U6)~33 min readArticleSeestadtAspern NordRead full article (240 paragraphs)Gallery (12)Available in 48 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoArmenianBahasa IndonesiaConnectionsLine U2EntityNeubaugasseEntityCategories1978 establishments in Austria750 V DC railway electrificationRail transport in ViennaRailway lines opened in 1978Transport in ViennaVienna U-Bahn