Engineering work is taking place between Salford Cresent and Ince, closing some lines.
A broken rail between Tulse Hill and Crystal Palace means that all lines are blocked.
Trains running through these stations may be cancelled or delayed.
This is expected until 13:00.
Customer Advice
Engineering work is taking place on 2 out of 4 tracks between Tilehurst and Didcot Parkway, closing some lines.
Engineering work is taking place between Ely and Norwich, closing all lines.Greater Anglia:Buses replace trains between Ely and Norwich.
Engineering work is taking place between Ely and Norwich, closing all lines.
Greater Anglia:
Buses will replace trains between Ely and Norwich.
Engineering work is taking place between Purley and Tattenham Corner, closing all lines.
Rail replacement vehicles will replace trains between Purley and Tattenham Corner.
AÂ fault with the signalling system between Bristol Parkway and Newport means no trains are able to run between these stations.
Engineering work is taking place between Dartford and Gillingham, closing some lines.
Engineering work is taking place between Gravesend and Gillingham, closing all lines.
From 00:15 until 04:30 each morning, buses will replace trains between Gravesend and Gillingham.
Engineering work is taking place between Bath Spa and Westbury and also between Westbury and Frome, closing some lines.