The work will affect lines between Fareham and Southampton Central and will affect trains from Monday to Friday (April 14 to April 18).
We have outlined all the details so you can plan ahead.
Monday to Friday (April 14 to April 18):
Portsmouth to Southampton Central stopping services will not run.
Replacement buses will operate between Fareham and Southampton Central.
A revised service will run between Portsmouth and Fareham.
Winchester to Southampton Central stopping services will call additionally at Swaythling and St Denys.
Bournemouth to Winchester stopping services will call additionally at St Denys and Swaythling.
Salisbury to Romsey services via Southampton Central will terminate at Southampton Central.
Passengers travelling to Chandler’s Ford should use the diverted Great Western Railway services.
A statement on the South Western Railway website says: “Late evening and early morning services may need to be altered for emergency repairs or planned work.
“We are sorry that bulky luggage, cycles and prams cannot be carried on the replacement bus services.
“Please check if you are planning to travel after 11pm or before 5.30am as buses may replace trains at short notice.”
