Future engineering work

PAGE LAST UPDATED: 30/11/2020 08:12. Update now

See details of routes affected by planned engineering works, including when they take effect, maps of the affected area, alternative timetables, advice for alternative travel and real-time updates.

Buses replace trains between Southampton Central / Eastleigh and Portsmouth Harbour on Sunday 20 December

Start date
20/12/2020  00:00
End date
Route affected
Download map of route afected

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

South Western Railway between London Waterloo / Southampton Central and Portsmouth Harbour

Southern between London Victoria / Brighton and Southampton Central

TOC(s) affected
Great Western RailwaySouth Western RailwaySouthern

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

Click the Train Operator for more information:

Great Western Railway

Except where shown below, trains between Cardiff Central / Bristol Temple Meads / Bath Spa / Westbury and Portsmouth Harbour / Brighton will terminate / start Southampton Central.

A replacement bus service will operate between Southampton Central, Fareham, Cosham, Fratton,
Portsmouth & Southsea and Portsmouth Harbour.

Buses will not serve Cosham after 20:00.

Buses from Southampton Central will call at Fratton and Portsmouth & Southsea to set down only.

Buses from Portsmouth Harbour will call Portsmouth & Southsea and Fratton to pick up only.


The 16:36 Cardiff Central to Brighton and the 17:40 Cardiff Central to Portsmouth Harbour will terminate at Westbury.

The 15:46 and the 17:47 Brighton to Bristol Temple Meads will start from Westbury.

The 21:46 Brighton to Portsmouth Harbour will not run.

South Western Railway

Buses will replace trains between Southampton Central / Eastleigh and Portsmouth Harbour.


It is not yet known how Southern will be affected by this engineering work.

Check before you travel

If you are travelling with Great Western Railway or South Western Railway, you can plan your journey using the National Rail Enquiries Journey Planner

Although journey planners are showing correctly, your journey may be subject to alteration at short notice due to the Coronavirus outbreak. Please check before your journey.

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.