Engineering work is taking place between Salisbury and Redbridge, closing some lines.
Saturday
Train services between Cardiff Central and Portsmouth Harbour will terminate / start at Salisbury.
Replacement bus services will run between Salisbury and Southampton Central, with train services running between Southampton Central and Portsmouth Harbour.
Additionally, the following services are affected:
Sunday
Train services between Cardiff Central / Bristol Temple Meads and Portsmouth Harbour / Salisbury will terminate / start at Warminster.
Replacement bus services will run between Warminster / Salisbury and Southampton Central, with train services running between Southampton Central and Portsmouth Harbour.
Additionally, the following services are affected:
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use this page.
You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.