The disruption will take place in Christchurch and will affect South Western Railway services and Cross Country services for an entire weekend in February, as planned maintenance is to take place.
The maintenance will happen on February the 15 and 16, with replacement services be available for travelling passengers.
South Western Rail services from London Waterloo to Weymouth and Bournemouth to Southampton Central will terminate at Brockenhurst.
Between Southampton Airport Parkway to Bournemouth there will be a direct rail replacement service. There will be also bus services running between Bournemouth and Brockenhurst.