Future engineering work

PAGE LAST UPDATED: 16/01/2019 21:30. 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.

Amended 08:10 Swansea to London Paddington on Sunday 3 June

Start date
03/06/2018  00:00
End date
Route affected

Between Swansea and London Paddington

TOC(s) affected
Great Western Railway

Engineering work is taking place between Briton Ferry and Swansea, closing some lines.

The 08:10 Swansea to London Paddington will start from Cardiff Central. There will be a replacement bus provided from Swansea to connect with train and a bus service will also start from Neath, calling at Port Talbot Parkway and Bridgend to connect with train.

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.