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 ...

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 ...

A full service could soon return to one of the busiest lines on the London Underground after its signalling system was hit by a mystery fault. The Northern line has been blighted for days with signal ...