Northern line

Northern

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Colour on map	Black
Year opened	1890
Line type	Deep Tube
Rolling stock	1995 Tube Stock 6 carriages
Stations served	50
Length	{{{Length}}}
Depots	Golders Green Morden Highgate Edgware High Barnet
Journeys made	206,734,000 (per annum)
Rail lines of Transport for London  London Underground lines   Bakerloo   Central   Circle   District   Hammersmith & City   Jubilee   Metropolitan   Northern   Piccadilly   Victoria   Waterloo & City Other lines   Docklands Light Railway   Tramlink   Overground

The Northern line is a deep-level tube line on the London Underground, coloured black on the Tube map. It carries more passengers than any other Underground line; 206,734,000 a year.