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Buses replace trains between Havant / Fratton / Portsmouth & Southsea and Portsmouth Harbour until 16:30 on Sunday 3 December 

See all service disruptions

Engineering work details

Starts 03 Dec 2023 to 03 Dec 2023

Route(s) affected

Great Western Railway between Cardiff Central and Portsmouth Harbour

South Western Railway between London Waterloo and Portsmouth & Southsea / Portsmouth Harbour; and also between Southampton Central and Portsmouth & Southsea

Southern between London Victoria / Brighton / Barnham and Portsmouth & Southsea / Portsmouth Harbour


Engineering work is taking place between Hilsea / Portsmouth & Southsea and Portsmouth Harbour, closing some lines. ​​​​​​​

South Western Railway:

Before 14:00, trains departing on the hour between London Waterloo and Portsmouth Harbour will terminate at Fratton.

Before 14:30, trains departing at 30 minutes past the hour between London Waterloo and Portsmouth Harbour will terminate at Portsmouth & Southsea.

Before 16:32, trains departing at 32 minutes past the hour between Portsmouth Harbour and London Waterloo will start from Portsmouth & Southsea.

Before 16:48, trains departing 48 minutes past the hour will start from Fratton.

After 16:00, trains between Portsmouth & Southsea and Southampton Central will extend to / from Portsmouth Harbour.

Rail replacement buses will run between:

  • Fratton and Portsmouth Harbour

  • Portsmouth & Southsea and Portsmouth Harbour

Great Western Railway:

Before 16:00, trains will not run between Portsmouth Harbour and Portsmouth & Southsea. You can use South Western Railway replacement buses between Portsmouth & Southsea and Portsmouth Harbour.

Additionally, some trains will be amended to not run between Westbury and Portsmouth & Southsea - you should use alternative rail services.


Before 09:00, buses will replace trains between Havant and Portsmouth Harbour.

Between 09:00 and 16:00, buses will replace trains between Fratton and Portsmouth & Southsea / Portsmouth Harbour. Some train services will run to / from Portsmouth & Southsea.

After 16:00, trains will run between London Victoria and Portsmouth Harbour (via Littlehampton).

Check before you travel: 

You can plan your journey using the National Rail Enquiries Journey Planner

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, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.