Future engineering work

PAGE LAST UPDATED: 16/11/2018 03:43. 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 overnight trains between Neath and Carmarthen from Monday 1 to Friday 5 October

Start date
01/10/2018  00:00
End date
Route affected

Arriva Trains Wales between Manchester Piccadilly and Swansea / Carmarthen / Fishguard Harbour

Great Western Railway between London Paddington and Swansea

TOC(s) affected
Transport for WalesGreat Western Railway

Engineering work is taking place between Neath and Carmarthen overnight from Monday evening until Friday morning, closing all lines.

Arriva Trains Wales:

Monday to Thursday:

The 19:31 Manchester Piccadilly to Fishguard Harbour service will be diverted, and will not call at stations between Neath and Carmarthen. A replacement bus service will run between Neath and Carmarthen, calling at all booked stations.

Tuesday to Friday:

The 02:59 Carmarthen to Swansea service starts later than usual, at 04:14. A replacement bus will run from Carmarthen to Swansea, departing at 02:59.

Great Western Railway:

Monday to Thursday:

The 21:15 and 22:45 London Paddington to Swansea services will terminate at Neath. Replacement buses will run between Neath and Swansea.

Tuesday to Friday:

The 03:54 Swansea to London Paddington service will start from Neath. A replacement bus will run from Swansea to Neath to connect with this 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.