People travelling into London from Barnet will face disruption this weekend.
The Northern Line will be closed from High Barnet and Mill Hill East, all the way to Archway, due to improvement work taking place on the tracks.
The line closure will begin from 1.25am on Saturday, March 18 and all day on Sunday, March 19.
Replacement buses will operated from 4.55am on Saturday and 6.30am on Sunday, though they are not 24 hour services despite the usual night tube.
Those using the tube this weekend should check www.tfl.gov.uk for updated information on the service.
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