Engineering work is taking place between Bletchley and Northampton from 22:30 on Monday until the end of service on Tuesday morning, closing all lines.
A broken rail between Barnham and Horsham means trains running between these stations may be delayed or cancelled.
Disruption is expected until 17:45.
Engineering work is taking place on the Hayes Line, closing all lines.
A tree blocking the railway at Newton St Newton means trains to / from Barnstaple may be delayed or revised.
Disruption is expected until 19:30.
Due to trespassers on the railway at Hooton, trains running through this station may be cancelled or delayed by up to 20 minutes.
Disruption is expected until 21:00.
Engineering work is taking place in the Southampton area, closing some lines.
Engineering work is taking place between Burnley and Colne, closing lines overnight from Monday evening until Friday morning.
Urgent repairs to the railway at West Ealing means some lines are blocked. As a result, trains may be cancelled or revised. This is expected until 07:30.
Engineering work is taking place at Finsbury Park from 01:10 until 01:50, closing some lines.
As a result the 01:10 London Kings Cross to Hertford North service will not stop at Harringay or Hornsey.
Engineering work is taking place between Crewe and Shrewsbury, closing all lines.
Buses will replace trains between Shrewsbury and Crewe.