An obstruction on the track at Lower Sydenham means all lines are blocked. Trains may be cancelled, delayed or diverted via Hither Green.
Disruption is expected until the end of the day.
What's happened?
Engineering work is taking place between Gravesend and Strood, closing some lines.
Southeastern:
Engineering work is taking place each night between Haslemere and Petersfield, closing some lines.
Engineering work is taking place at various locations in the Preston / Blackburn area, closing some lines overnight from Monday evening until Friday morning.
Monday to Thursday:
Engineering work is taking place in the Motherwell area, closing some lines.
Glasgow Central - Lanark:
Due to a fault with the signalling system between Hassocks and Preston Park, trains running between these stations may be delayed by up to 10 minutes.
Engineering work is taking place between Potters Bar / Hertford North and Stevenage / Hitchin / Royston / Peterborough, closing all lines.
From 01:00 until 02:00:
A fault with the signalling system between Newhaven Town and Seaford means that from 06:45 all lines are blocked. Trains running between these stations will be revised to start / terminate at Newhaven Town.
A fault with the signalling system between Lewes and Eastbourne is causing disruption to services running between these stations.
A fault on a train at Greenhithe For Bluewater means some lines are blocked. As a result, trains may be cancelled, delayed by up to 30 minutes or revised. This is expected until 19:00. Southeastern Customer Advice:What's happened?