TRANSPORT FOR WALES, in partnership with Network Rail, has announced a comprehensive programme of engineering works across the South West Wales rail network. The upgrades will modernize outdated signalling systems, telecoms, and power distribution equipment, improving the reliability of train services for passengers traveling in and out of the region.

Service disruptions and replacement buses

The works, scheduled over several weeks, will primarily take place overnight, but extended closures are also planned. Replacement bus services will operate during affected periods, ensuring passengers can still complete their journeys. The key disruptions and bus replacement schedules are as follows:

Dates and Affected Routes

1. January 14–17 (Tuesday to Friday):
   • Overnight works will cause evening and morning disruptions across the network.
2. January 25 – February 9 (Saturday to Sunday):
   • Significant closures will impact routes between Swansea, Carmarthen, Milford Haven, Pembroke Dock, and Fishguard Harbour.
3. February 11–14 (Tuesday to Friday):
   • Continued works with disruptions to evening and morning services.
4. February 17 (Monday):
   • Daytime service interruptions as work nears completion.

Replacement Bus Services by Route

Swansea – Carmarthen

• Sunday, January 12 & 19
• Saturday and Sunday, February 15–16
  • Replacement buses will run between Swansea and Carmarthen, with stops at key stations.

Fishguard Harbour – Carmarthen

• Monday to Friday, January 27–31
  • Daytime closures with bus services covering Fishguard Harbour, Fishguard & Goodwick, Haverfordwest, and Carmarthen.

Fishguard Harbour – Haverfordwest

• Saturday, January 25
• Saturday, February 1
• Monday to Saturday, February 3–8
  • Replacement buses will serve local stops during the closures.

Milford Haven – Carmarthen

• Monday to Thursday, January 27–30
  • Early afternoon closures daily; buses will operate between Milford Haven and Carmarthen with stops at Johnston, Haverfordwest, and Clarbeston Road.

Pembroke Dock – Carmarthen

• Saturday, February 1 – Friday, February 14
  • Long-term closures will be in place, with buses covering the route, including Tenby, Saundersfoot, and Kilgetty.

Key Replacement Bus Pick-Up Points

• Fishguard Harbour: Station entrance.
• Haverfordwest: Station front.
• Milford Haven: Station entrance.
• Tenby: Coach stop at the Upper Park Road car park.
• Pembroke Dock: Station entrance.

Passengers are advised to refer to local signage at stations for detailed bus stop locations.

Advice for Passengers TfW encourages all travellers to check their journeys in advance, as last-minute changes may occur. The latest updates can be accessed via the JourneyCheck website, the TfW app, or by contacting their customer service team at 0333 3211 202.

Travel Tips

• Purchase tickets in advance of boarding replacement buses.
• Allow extra time for journeys and confirm onward connections.
• Note that bicycles, non-foldable prams, and large luggage cannot be accommodated on replacement buses.

Assistance for Passengers with Accessibility Needs

Special assistance can be booked up to two hours before travel via TfW’s Assisted Travel team at 033 300 50 501. Alternatively, passengers can use the “turn-up-and-go” service.

For Further Information TfW’s Stakeholder Manager for Mid and West Wales, Alexander Bryant-Evans, is available to answer questions regarding the planned works. He can be reached via email at [email protected] or phone at 07398 622223.

These engineering upgrades aim to ensure safer, more reliable rail services for South West Wales, providing passengers with long-term benefits despite the temporary disruptions. TfW appreciates the public’s patience and cooperation during this vital improvement work.