Engineering work is taking place between St Denys and Fareham, closing some lines overnight from Monday evening until Friday morning.
As a result, the 21:21 Bristol Parkway to Portsmouth & Southsea will divert between St Denys and Fareham (via Eastleigh where it will change direction of travel). It will arrive / depart Fareham and beyond a few minutes later than normal.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner