Last updated:Today at 17:15
Train companies affected:South Western Railway
Train operators affected
Great Western Railway between London Paddington and Swansea
Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning.
Monday to Thursday:
The following trains will be diverted, extending journey times by up to 25 minutes:
The 20:48 London Paddington to Swansea service.
The 21:48 London Paddington to Swansea service.
The 22:49 London Paddington to Swansea service.
Tuesday to Friday:
The 03:46 Swansea to London Paddington service will be retimed to start at 03:41, and will call at Neath, Port Talbot Parkway and Bridgend earlier than usual. From Cardiff Central onwards, it will run to normal timings.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner