Engineering work is taking place overnight in the Swansea area, closing some lines.
Monday to Thursday:
The 20:38 Milford Haven to Cardiff Central will be diverted between Llantwit Major.
The 21:46 Fishguard Harbour to Cardiff Central will be diverted between Llanelli and Port Talbot Parkway, with rail replacement buses in operation between these two stations via Swansea providing connections into and out of these services. This service will also be diverted between Bridgend and Cardiff Central with extended journey times.
The 22:27 Cardiff Central to Carmarthen will depart 3 minutes later at 22:30 and be retimed throughout.
The 22:40 Swansea to Carmarthen will not run and will be replaced by a bus throughout.
The 23:16 Cardiff Central to Maesteg will be replaced with a rail replacement bus, departing Cardiff Central at 23:20.
The 23:20 Cardiff Central to Carmarthen will be diverted between Llantwit Major and also between Llanelli and Port Talbot Parkway, with rail replacement buses in operation between these two stations via Swansea providing connections into and out of these services. Customers should note that these services will also be diverted between Cardiff Central and Bridgend with extended journey times, and that they should therefore check their journeys accordingly.
The 23:45 Swansea to Carmarthen will not run and will be replaced by a bus.
Tuesday to Friday:
The 04:38 Carmarthen to Swansea will not run and will be replaced by a bus throughout.
The 05:16 Swansea to Llandovery will start from Llanelli, with a connecting rail replacement bus from Swansea (04:50) and Gowerton (05:05).
The 05:43 Swansea to Manchester Piccadilly will be split at Cardiff Central. A new 05:40 Swansea to Cardiff Central service will operate, connecting into the onward portion at Cardiff Central.
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 set-down 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.