Without any pattern I can see, 146 bus stops are in UPPER CASE in the various sources…
- 490003262W - ALMOND WAY
- 490009651S - ANCHOR CLOSE
- 490000012J - BALHAM STATION / BALHAM STATION ROAD
- 490004810RK - BEAK STREET / HAMLEYS TOY STORE
- 490008200W - BEEHIVE LANE
- 490004374W - BROADMEAD ROAD / CHIGWELL ROAD
- 490004622W - BURNTWOOD SCHOOL
- 150042004003 - BURTON ROAD
- 490001024Z - BUSH HILL PARK STATION
- 490011657N1 - CEDAR ROAD
- 490016499N - C E M E
- 490005002N - CHARLIE BROWN’S ROUNDABOUT (E18)
- 490001058E - CHARLTON STATION / WOOLWICH ROAD
- 40004402091B - CHERTSEY ROAD
- 40004402091A - CHERTSEY ROAD
- 490007858E - COBBOLD ROAD
- 490013133S - DOWNS ROAD
- 490013194N - DRAPERS FIELD
- 490013194S - DRAPERS FIELD
- 490013829E - DUDLEY DRIVE
- 490006463G - ELDER STREET
- 490006463H - ELDER STREET
- 490003552N - ELECTRIC PARADE
- 490003552S - ELECTRIC PARADE
- 40004405130D - ESHER ROAD
- 40004405129A - ESHER ROAD
- 490000288E - ESTUARY CLOSE
- 490003493W - FAIRFIELD SOUTH
- 490003493E - FAIRFIELD SOUTH
- 490008890SW - FARINGDON AVENUE / BIRCH ROW
- 490008973S - FARINGDON AVENUE / LARCH WAY
- 490003831W - FINSBURY STREET
- 490003831E - FINSBURY STREET
- 490013891S - FINSBURY TOWN HALL
- 490006862S - FISH ISLAND
- 49000020141Q - FOUNTAYNE BUSINESS CENTRE
- 490006980W - FRANCES BARDSLEY ACADEMY (RM1)
- 490006980E - FRANCES BARDSLEY ACADEMY (RM1)
- 490016747E - GALLEONS DRIVE
- 490007457W - GREENFORD HIGH SCHOOL
- 490011412W - GRENFELL GARDENS
- 4900001127H - HACKNEY CENTRAL STATION
- 490007649E - HAINAULT FOREST GOLF CLUB
- 490007649S - HAINAULT FOREST GOLF CLUB
- 490012798E - HAMPTON CARE NURSING HOME
- 490012798W - HAMPTON CARE NURSING HOME
- 490001143A - HAYDONS ROAD STATION
- 40004406078B - HOLLYMOOR LANE
- 490008511N - ISLEWORTH LEISURE CENTRE AND LIBRARY
- 490008714N - KILLICK STREET
- 490003339S - KNIGHTSWOOD ROAD
- 490005157E - LECHMERE APPROACH
- 490009111HL - LEWISHAM FIRE STATION
- 490009111HN - LEWISHAM FIRE STATION
- 490009111HK - LEWISHAM FIRE STATION
- 490009139Z - LEYTONSTONE STATION / GROVE GREEN ROAD
- 490015390F - LONDON ROAD / MORDEN STATION
- 490015390G - LONDON ROAD / MORDEN STATION
- 490007380S - LONGWOOD GARDENS
- 490016459S - LOWER MORDEN LANE / MORDEN CEMETRY
- 490016459N - LOWER MORDEN LANE / MORDEN CEMETRY
- 490000287N - LUDWIG GUTTMANN HEALTH CENTRE
- 49000287ST - LUDWIG GUTTMANN HEALTH CENTRE
- 490013552N - MALDEN RUSHETT / SHY HORSE
- 490013552S - MALDEN RUSHETT / SHY HORSE
- 490000144H - MARBLE ARCH STATION / EDGWARE ROAD
- 490011249A - MOORFIELDS EYE HOSPITAL
- 490016069E - MORDEN HALL PARK / SURREY ARMS
- 490009424N - MORDEN PARK BAPTIST CHURCH
- 490012768A - NELSON’S ROW
- 40004402091C - NORMAN ROAD
- 40004402091D - NORMAN ROAD
- 490019546HR - NORTHEY AVENUE
- 490006723W - OASIS ACADEMY HADLEY
- 490009404W - ORCHARD VILLAGE / LOWEN ROAD
- 490010667E - OVAL ROAD SOUTH
- 490010696SW - OXHAWTH CRESCENT
- 490015201K - PARHAM DRIVE
- 490013408N - PARK VIEW ROAD N17
- 490011515W - PICCADILLY CIRCUS
- 490011040W - PLAISTOW / PRINCE REGENT LANE
- 490013501N - PLOUGH GREEN
- 490013501S - PLOUGH GREEN
- 490011150W - POUND COURT DRIVE
- 490005351E - POYNDERS ROAD / CLARENCE AVENUE
- 490013262N - QUEEN MARY AVENUE
- 490013262S - QUEEN MARY AVENUE
- 490009570E - RABBITS ROAD
- 490013992F - RANDELL’S ROAD
- 490008466R - REDBRIDGE CENTRAL LIBRARY
- 490008466Q1 - REDBRIDGE CENTRAL LIBRARY
- 490013511C - RICHMOND STATION
- 490000289S - RIVERGATE CENTRE
- 490014198E - ROTHBURY ROAD
- 490011885N - SAM PHILIP RECREATION GROUND
- 490014179N1 - SAXON DRIVE (W3)
- 490003824W - SILK STREET
- 490009371W - SOUTH HAMPSTEAD STATION / LOUDOUN ROAD
- 490009371Y - SOUTH HAMPSTEAD STATION / LOUDOUN ROAD
- 490006869W - STAFFORD ROAD
- 40004402126J - STAINES BUS STATION
- 490013570E - ST ALBAN’S RIVERSIDE
- 490013570W - ST ALBAN’S RIVERSIDE
- 490004863Z - STANSTEAD ROAD / ST DUNSTANS COLLEGE
- 490013513N - STEWART STREET
- 490013513S - STEWART STREET
- 490018554C - STRATFORD INTERNATIONAL STATION
- 40004402064B - ST SAVIOURS CHURCH / SUNBURY CROSS
- 40004402064A - ST SAVIOURS CHURCH / SUNBURY CROSS
- 490013160R - TATE BRITAIN / MILLBANK MILLENNIUM PIER
- 490013160N - TATE BRITAIN / MILLBANK MILLENNIUM PIER
- 490014058N - THE CHASE
- 490020137X - THE COPPER BOX
- 490020137N - THE COPPER BOX
- 490006268E - THE RIVERSIDE CENTRE
- 490014723W - THE WILSON HOSPITAL
- 490014723E - THE WILSON HOSPITAL
- 490001295B - TOLWORTH STATION
- 490009917Y - TOTTENHAM HALE BUS STATION
- 490009424E - TUDOR DRIVE
- 490013965E - UNIVERSITY OF CUMBRIA IN LONDON
- 490013965W - UNIVERSITY OF CUMBRIA IN LONDON
- 490020128S - VELOPARK
- 490020128N - VELOPARK
- 490006869N1 - WADDON LEISURE CENTRE / FIVEWAYS
- 490006869EB - WADDON LEISURE CENTRE / FIVEWAYS
- 490006869W2 - WADDON LEISURE CENTRE / FIVEWAYS
- 490006869S - WADDON LEISURE CENTRE / FIVEWAYS
- 490010292N1 - WALTON WAY (W3)
- 490020134E - WEIGALL ROAD / NORTH SIDE
- 490020133Z - WEIGALL ROAD / SOUTH SIDE
- 490016791Y - WELLINGTON ROAD
- 490016791Z - WELLINGTON ROAD
- 490014403AP - WESTBOURNE PARK BUS GARAGE
- 490020130S - WESTFIELD AVENUE
- 490005320W - WESTMINSTER ACADEMY/CIRENCESTER STREET
- 490005320E - WESTMINSTER ACADEMY/CIRENCESTER STREET
- 490015048A - WESTMINSTER STATION / PARLIAMENT SQUARE
- 490014577N2 - WHITEBEAM AVENUE / LARCH WAY
- 490000297W - WHITE POST LANE
- 490000297E - WHITE POST LANE
- 490014624N - WHITTINGHAM PRIMARY ACADEMY
- 490014624S - WHITTINGHAM PRIMARY ACADEMY
- 490009186S - WILSON’S SCHOOL
- 490009186N - WILSON’S SCHOOL
- 490014787S - WINSOR PARK ESTATE