EntityQ210321· pop 44· linked from 709 articlesCircle lineSign in to saveLondon Underground lineConnectionsBank and Monument stationsEntityKing's Cross St Pancras tube stationEntityLondon Underground C69 and C77 StockEntityTfLEntityBakerloo lineEntityLondon Paddington stationEntityWaterloo & City lineEntityHammersmith & City lineEntityLiverpool Street stationEntityCannon Street stationEntityWestbourne Park tube stationEntityLatimer Road tube stationEntityTower GatewayEntityLondon Underground S7 and S8 StockEntityWatford DC LineEntityLea Valley LinesEntityInternational Standard Book NumberEntityRiver ThamesEntityrapid transitEntityApril Fools' DayConceptCategories1884 establishments in EnglandAutomatic London Underground linesCircle line (London Underground)London Underground linesRailway lines opened in 1884Railway loop linesStandard gauge railways in LondonTransport in the City of LondonTransport in the City of WestminsterTransport in the London Borough of CamdenTransport in the London Borough of Islington