The Central line badly disrupted this morning following a signal failure at Leytonstone.
There are severe delays on the line after an earlier suspension halted trains between Loughton & Hainault via Newbury Park and Liverpool Street.
There are also severe delays on the Jubilee line following an earlier signal failure at Baker Street.
Follow our live blog for the latest travel updates...
District line update
12:45 , Joe Palmer
The District line has returned to good service after train cancellations caused minor delays earlier today.
Northern line update
11:07 , Joe Palmer
Good service has returned to the Northern line after engineering works this morning caused severe delays between Kennington and Morden.
Jubilee line update
10:45 , Joe Palmer
Good service has returned to the Jubilee line after a signal failure this morning caused severe delays on the entire line.
Southern Rail delays expected until 11am
09:52 , Joe Palmer
Delays between Chichester and Havant are expected until 11am due to a fault at a level crossing in the Bosham area.
Southern Rail update
09:35 , Joe Palmer
Services between Chichester and Havant will be running at reduced speeds due to a fault with the level crossing barriers.
Central line reopens
09:00 , Tom Place
The Central line has reopened following the earlier signal failure - the whole line is however still running with severe delays.
Central line party suspended
08:40 , Tom Place
There is no service between Loughton & Hainault via Newbury Park and Liverpool Street due to a signal failure at Leytonstone.
Tickets are being accepted on London Buses via reasonable routes.
There are also minor delays on the rest of the line.
Northern line reopens
07:39 , Tom Place
The Northern line has now fully reopened following the late finish of engineering work.
There remains severe delays between Kennington and Morden while service recovers.
Tree caught in wires impacting St Albans Abbey services
07:15 , Tom Place
A tree being caught on the overhead electric wires is causing disruption to journeys to and from from St Albans Abbey.
Trains may be cancelled or delayed, with disruption expected until around 8am.
This is affecting a number of London Northwestern Railway services.
District line update
07:06 , Tom Place
The District line is also dealing with minor delays due to train cancellations.
Victoria line delays
06:59 , Tom Place
There are minor delays on the Victoria line this morning due to train cancellations.
Northern line update
06:53 , Tom Place
There is currently no service on the Northern line between Stockwell and Morden southbound only due to a late finish of engineering work.
There is a good service on the rest of the line.
Jubilee line reopens
06:47 , Tom Place
The Jubilee line has now fully reopened following this morning’s earlier signal failure - there are, however, still severe delays on the entire line.
Jubilee line part suspended
06:41 , Tom Place
There is no service between Finchley Road and Waterloo on the Jubilee line due to a signal failure at Baker Street.
The issue is also causing severe delays on the rest of the line.
London Buses, Mildmay Line, DLR and Elizabeth Line are accepting tickets via any reasonable route.
Good morning
06:37 , tom place
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