These works will affect trains from Monday to Friday (November 17 to November 21).
We have broken down the details for you to plan ahead.
Engineering work is taking place overnight between Barnham and Chichester, closing some lines.
Monday to Thursday (November 17 to November 20):
The 10.35pm train from London Victoria to Chichester will terminate at Barnham.
A connecting rail replacement bus will run between Barnham and Chichester, departing at 12.20am.
The 11.15pm train from Barnham to Bognor Regis will not run.
The 11.45pm train from Portsmouth Harbour to Bognor Regis train will be diverted to terminate at Littlehampton.
A replacement bus will run from Barnham to Bognor Regis, departing at 12.37am.
Tuesday to Friday (November 18 to November 21):
The 4.55am train from Chichester to Brighton will start at Barnham, departing at 5.03am.
A connecting rail replacement bus will depart earlier from Chichester at 4.33am.
