EntityQ877322· pop 15· linked from 60 articlesU4Sign in to savemetro line in ViennaConnectionsrapid transitEntitydirect currentEntitytrack gaugeEntitystandard-gauge railwayEntityVienna U-BahnEntitythird railEntityrailway electrification systemEntitypark and rideEntityVienna S-BahnEntityKarlsplatzEntityWiener LinienEntityLine U2EntityU1EntityLine U6EntityU3EntityMargaretengürtelEntityKettenbrückengasseEntitySchönbrunnEntityPilgramgasseEntityFriedensbrückeEntityCategoriesRailway lines opened in 1976Transport articles needing translation from German WikipediaVienna U-Bahn lines