EntityQ99758· pop 5· linked from 51 articlesU12Sign in to saveformer Berlin U-Bahn lineConnectionsBerlin U-BahnEntityBerlin RingbahnEntityBerlinEntityrapid transitEntitytrack gaugeEntityDeutsche BahnEntitystandard-gauge railwayEntityBerlin S-BahnEntitythird railEntityrailway electrification systemEntitytrams in BerlinEntityBerlin Zoologischer Garten railway stationEntityOberbaum BridgeEntityU1EntityU2EntityU3Entityghost stationEntityU4EntityU5EntityU6EntityCategories1993 establishments in Germany2003 disestablishments in GermanyBerlin U-Bahn linesRailway lines closed in 2003Railway lines opened in 1993