The work will affect trains from Monday (October 20) to Friday (October 24).
We have compiled all the details on these works so that you can plan your journey this week.
Monday to Thursday (October 20 to October 24):
Haslemere area
Due to maintenance work in the Haslemere area, some late evening services will be cancelled or replaced by buses for all or part of their journey.
Island Line:
Island Line will be closed all week due to maintenance work.
Buses will run between Ryde Pier Head and Shanklin.
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.”