Engineering work is taking place between Swansea and Llanelli, closing various lines.

Great Western Railway:

Saturday:

The 07:24 Carmarthen to London Paddington will start from Swansea. Earlier road transport provided by Transport for Wales from Carmarthen to Swansea to connect into the train.

The 17:18 London Paddington to Carmarthen will terminate at Swansea. Road transport provided by Transport for Wales from Swansea to Carmarthen.

Sunday:

Buses will replace trains between Carmarthen and Swansea.

Additionally:

• The 07:55 Swansea to London Paddington service will start from Cardiff Central. Earlier road transport from Swansea (fast) to Cardiff Central to connect into the train. Also a bus will run from Neath, Port Talbot Parkway and Bridgend to Cardiff Central to connect. This bus starts from Swansea. Swansea - Cardiff Central customers should use the fast bus.
• The 08:32 Swansea to London Paddington service will depart a few minutes later than normal.

It is not yet known how Transport for Wales will be affected by this engineering work.

Check before you travel:

These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.

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 replacement bus by checking station signs or by searching for your station on our station information pages.

Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey