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Buses replace trains between Southampton Central and Portsmouth Harbour on Sunday 17 December 

See all service disruptions

Engineering work details

Starts 17 Dec 2023 to 17 Dec 2023

Route(s) affected

Great Western Railway between Cardiff Central / Bristol Temple Meads and Portsmouth Harbour

South Western Railway between London Waterloo / Eastleigh and Portsmouth Harbour

Southern between Brighton and Southampton Central


Engineering work is taking place between St Denys and Fratton, closing some lines. ​​​​​​​

Great Western Railway:

Except where shown below, trains between Cardiff Central and Portsmouth Harbour will terminate / start Southampton Central.

A rail replacement bus service will operate between Southampton Central, Fareham, Cosham (not after 20:08), Fratton, Portsmouth & Southsea and Portsmouth Harbour.

Road journey time Southampton Central to Portsmouth Harbour approximately 75 minutes.

At Fratton and Portsmouth & Southsea:

  • Buses from Southampton Central will stop to set down only

  • Buses from Portsmouth Harbour will stop to pick up only.


17:40 Cardiff Central to Portsmouth Harbour will terminate Westbury. Customers for beyond Westbury travel by alternative services.

19:34 Bristol Temple Meads to Portsmouth Harbour will divert after Westbury to Castle Cary and Yeovil Pen Mill where it will terminate. Customers for stations to Portsmouth Harbour travel by alternative services.

South Western Railway:

Buses will replace trains between:

  • Southampton Central and Portsmouth Harbour

  • Eastleigh and Portsmouth Harbour


Buses replace trains between Havant and Southampton Central.

Trains which usually run between Brighton and Southampton Central will run between Brighton and Portsmouth & Southsea.

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.