London Underground (tube) line. The newest line, built completely from scratch, opened in the early 1970s.

Coloured light blue on the tube map it runs in a roughly north-south direction with no branches.

Stations

• Walthamstow Central
• Blackhorse Road
• Tottenham Hale
• Seven Sisters
• Finsbury Park
• Highbury and Islington
• King's Cross - St. Pancras
• Euston
• Warren Street
• Oxford Circus
• Green Park
• Victoria
• Pimlico
• Vauxhall
• Stockwell
• Brixton

London Underground Line linking Walthamstow in the north-east of London to Brixton in the south. As Iain justly notes, this is the newest tube line. On the standard tube map, this line appears as a light blue shade.

  Walthamstow Central
           |
    Blackhorse Road
           |
     Tottenham Hale
           |
     Seven Sisters
           |
     Finsbury Park
           |
 Highbury and Islington
           |
King's Cross St Pancras
           |
        Euston
           |
     Warren Street
           |
     Oxford Circus
           |
       Green Park
           |
       Victoria
           |
        Pimlico
           |
       Vauxhall
           |
       Stockwell
           |
        Brixton

Connections to the Piccadilly Line at Finsbury Park, King's Cross St Pancras and Green Park; to the Northern Line at King's Cross St Pancras (Bank Branch), Euston and Warren Street (Charing Cross Branch), and Stockwell; to the Metropolitan and Hammersmith and City Lines at King's Cross St Pancras; to the Circle Line at King's Cross St Pancras and Victoria; to the Bakerloo Line at Oxford Circus; to the Jubilee Line at Green Park; and to the District Line at Victoria.

Connections to National Rail services at Walthamstow Central, Blackhorse Road, Tottenham Hale, Seven Sisters, Finsbury Park, Highbury and Islington, King's Cross St Pancras for King's Cross and St Pancras, Euston, Victoria, Vauxhall and Brixton (short walk).