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Buses replace morning Transport for Wales trains to / from Carmarthen on Sunday 20 September 

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Engineering work details

Starts Sunday 20 September 2026 to Sunday 20 September 2026

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Train operators affected

Route(s) affected

Transport for Wales between Carmarthen and Swansea / Milford Haven / Pembroke Dock

Description

Engineering work is taking place at Carmarthen, closing all lines early on Sunday morning.

Before 10:30:

Trains which usually run between Carmarthen and Swansea will be cancelled, and will be replaced by buses.

Trains which usually run between Carmarthen and Milford Haven / Pembroke Dock will be amended to run between Whitland and Milford Haven / Pembroke Dock, with replacement buses running between Carmarthen and Whitland.

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 our Rail Replacement Services page.

You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.

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

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