The Northern line is a London Underground line that runs from North London to South London. It is printed in black on the Tube map. The Northern line is unique on the Underground network in having two different routes through central London, two southern branches and two northern branches.

• Camden Town • Finsbury • Kings Cross • St Pancras
• Embankment - alight for
> Bankside • Lomdon Bridge - alight for
> South Bank • Borough - alight for
> Bankside • Elephant & Castle
• Clapham

The Bakerloo line is a London Underground line that runs from Harrow & Wealdstone in suburban north-west London to Elephant & Castle in south London, via the West End. Printed in brown on the Tube map, it serves 25 stations, 15 of which are underground, over 23.2 kilometres.

• Wembley
• Paddington
• Marylebone • Regent's Park
• Oxford Circus - alight for
> Soho • Piccadilly Circus - alight for
> St James's > Charing Cross • Embankment
• Waterloo - alight for Bankside

The Central line is a London Underground line that runs through central London, from Epping, Essex, in the north-east to Ealing Broadway and West Ruislip in west London. Printed in red on the Tube map, the line serves 49 stations over 46 miles, making it the longest line on the Underground.

• Shepherd's Bush
• Notting Hill • Marble Arch - alight for
> Hyde Park
• Bond Street
• Oxford Circus
• Holborn
• St Paul's Cathedral
• Bank
• Liverpool Street Station

The District line is a London Underground line running from Upminster in the east and Edgware Road in the west to Earl's Court in west London, where it splits into multiple branches. One branch runs to Wimbledon in south-west London and a short branch, with a limited service, only runs for one stop to Kensington. Line

Barking
• West Ham
• Whitechapel • Tower Hill - alight for
> Tower Bridge
> Tower of London
• Monument
• Blackfriars
• Embankment
• Westminster • St James' Park - alight for
> Westmister • Victoria - alight for
> Westminster • South Kensington
• Earls Court
• Hammersmith
• Kew Gardens
• Richmond

The Piccadilly line is a deep-level London Underground line running from the north to the west of London. It has two branches, which split at Acton Town, and serves 53 stations. The line serves Heathrow Airport, and some of its stations are near tourist attractions such as Piccadilly Circus and Buckingham Palace.

• Finsbury • Arsenal
• Kings Cross • St Pancras
• Russell Square - alight for
> Fitzrovia • Holborn
• Covent Garden • Leicester Square • Piccadilly Circus - alight for
> St James's • Hyde Park Corner - alight for
> Belgravia • Knightsbridge - alight for > Belgravia • Kensington • Earl's Court
• Hammersmith
• Acton
• Ealing
• Hounslow
• Heathrow Airport

The Metropolitan line, colloquially known as the Met, is a London Underground line between Aldgate in the City of London and Amersham and Chesham in Buckinghamshire, with branches to Watford in Hertfordshire and Uxbridge in Hillingdon

• Liverpool Street Station
• Barbican • Kings Cross • St Pancras
• Euston Square/Station
• Baker Street - alight for
> Regent's Park
• Wembley

The Hammersmith & City line is a London Underground line that runs between Hammersmith in west London and Barking in east London. Printed in pink on the Tube map, it serves 29 stations over 15.8 miles.

H• ammersmith
• Shepherd's Bush
• Royal Oak
• Paddington
• Baker Street - alight for
> Regent's Park
• Euston Square/Station
• Kings Cross • St Pancras
• Farringdon
• Barbican • Liverpool Street Station
• Aldate East
• Whitechapel • Stepney
• Mile End
• West Ham
• Barking

The Circle line is a spiral-shaped London Underground line, running from Hammersmith in the west to Edgware Road and then looping around central London back to Edgware Road. The railway is below ground in the central section and on the loop east of Paddington.

• Hammersmith
• Shepherd's Bush
• Paddington
• Baker Street - alight for
> Regent's Park
• Euston Square/Station
• Kings Cross • St Pancras
• Farringdon
• Barbican • Liverpool Street Station
• Alsgate
• Tower Hill - alight for
> Tower Bridge
> Tower of London
• Monument
• Blackfiars - alight for
> Bankside • Embankment - alight for
> Westminster • St James's Park • Victoria
• South Kensington - alight here for > Kensington • Notting Hill • Paddington