Future engineering work

PAGE LAST UPDATED: 23/02/2019 01:16. 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 and Romsey / Eastleigh / Portsmouth Harbour from 22:15 on Saturday 29 until 22:15 on Sunday 30 September

Start date
29/09/2018  00:00
End date
Route affected

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

South Western Railway between London Waterloo / Salisbury / Eastleigh and Poole / Portsmouth Harbour /

Southern between Brighton and Southampton Central

TOC(s) affected
Great Western RailwaySouth Western RailwaySouthern

Engineering work is taking place in the Southampton Central area, closing some lines.

Great Western Railway:

Services between Cardiff Central and Portsmouth Harbour will run between Cardiff Central and Southampton Central only.

Replacement buses will run between Southampton Central and Portsmouth Harbour.

The 08:19 Romsey to Brighton service will be replaced by an earlier bus (departing Romsey at 07:55) to Portsmouth Harbour for rail connections to Brighton. Other Great Western Railway services to / from Brighton will not run, customers for these services should travel by alternative train services.

The 20:18 Cardiff Central to Southampton Central will run in two parts:

  • Cardiff Central to Bristol Temple Meads.
  • Bristol Temple Meads to Southampton Central.

A change of trains will be required at Bristol Temple Meads.

South Western Railway:

Replacement buses will run between:

  • Southampton Central and Romsey.
  • Southampton Central and Eastleigh.
  • Southampton Central and Portsmouth Harbour.
  • Eastleigh and Portsmouth Harbour.

Services between Salisbury and Romsey will run between Salisbury and Eastleigh via Chandlers Ford.


Trains will be diverted to start / terminate at Portsmouth and Southsea.

Replacement buses will operate between Fratton and Southampton Central.

Check before you travel:

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

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages


Non folding bicycles are not allowed on rail replacement bus services at any time. Folding bicycles are allowed if fully folded. For more information, please see here.

Project Information:

You can read more about engineering work and why it is necessary.