London commuters have been told to “avoid the Northern line” as signal failures cause travel chaos in the capital for the fourth day. Travellers using the Northern line have experienced lengthy delays ...

Transport for London (TfL) has apologised after severe delays on the Northern line continue into a fifth day. A signalling equipment failure at Stockwell station in south London has meant that since ...

Are you a regular late-night user of the Northern line’s Bank branch? Here’s some news you’ll want to know about. The middle fork of the black tube line is shutting early for four whole months at the ...