Engineering work is taking place between Bristol Parkway and Severn Tunnel Junction closing some lines.
Trains between London Paddington and Swansea / Carmarthen will NOT run.
Road transport will be in place between Bristol Parkway and Cardiff Central / Newport.
A shuttle rail service will then operate between Cardiff Central and Bridgend, Port Talbot Parkway, Neath and Swansea.
Between 12:00 and 20:00 there will be additional trains between Reading, Didcot Parkway and Swindon.
Some additional trains will operate between London Paddington and Bristol Parkway.
The following services will NOT run:
- 10:16 London Paddington to Bristol Parkway
- 14:13 London Paddington to Cardiff Central
- 12:20 Bristol Parkway to London Paddington
- 14:30 Bristol Temple Meads to Swindon
- 16:50 Cardiff Central to London Paddington
- 08:13 London Paddington to Exeter St.David's will divert, calling additionally at Bristol Parkway
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