Future engineering work

PAGE LAST UPDATED: 24/10/2021 13:47. 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 Bristol Parkway and Newport on Sunday 31 October

Start date
End date
Route affected
Download map of route afected

Great Western Railway between London Paddington / Portsmouth Harbour / Taunton / Bristol Temple Meads and Cardiff Central / Swansea / Carmarthen

TOC(s) affected
Great Western Railway

Engineering work is taking place between Bristol Parkway and Severn Tunnel Junction, closing all lines.

Buses will replace trains between Bristol Parkway and Newport.

Trains that normally run between Cardiff Central and Portsmouth Harbour will run between Bristol Parkway and Portsmouth. Trains that usually run between Cardiff Central and Taunton will run between Bristol Temple Meads and Taunton.

Trains that usually run between London Paddington and Swansea will be diverted to run via Gloucester (not calling), and will not call at Bristol Parkway. This diversion will extend journey times by up to 45 minutes.

Most trains that usually run to / from Carmarthen will be amended to run to / from Swansea. Some trains will run between London Paddington and Carmarthen. You can use Transport for Wales services between Swansea and Carmarthen.

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.