For two weeks, from Monday 9 until the early hours of Saturday 21 June, Network Rail will be completing essential maintenance work in the Filton, Stoke Gifford, Pilning and Severn Beach areas of South Gloucestershire, as well as working inside the Severn Tunnel.
Travel arrangements (Monday 9 – Friday 20 and Sunday 29 June 2025) There will be no direct trains between Bristol and South Wales on these dates:
- Services between Cardiff Central and Portsmouth Harbour start/terminate at Bristol Parkway
- Services between Cardiff Central and Taunton or Exeter St Davids start/terminate at Bristol Temple Meads
Monday 9 to Saturday 14 June, plus Monday 16 to Friday 20 June
- Customers travelling between Bristol and South Wales should change at Gloucester or Cheltenham Spa, where trains will still be running to/from South Wales.
- Trains between London and South Wales will use an alternative route between Swindon and Newport – stopping at Gloucester instead of Bristol Parkway.• A limited train service will still run between London Paddington and Bristol Parkway.
- Replacement buses are also planned between Bristol Parkway and Severn Tunnel Junction/Newport, but these will be limited services only.
Sunday 15 June
- Rail replacement services are planned to operate between Bristol Parkway and Newport or Cardiff Central on this date.
- Trains will still run between London Paddington and Bristol Parkway, plus between Newport and Swansea or Carmarthen.
- Trains between London Paddington and Bristol Temple Meads will also be reduced to hourly services.
Sunday 29 June
- Customers travelling between Bristol and South Wales can change at Gloucester or Cheltenham Spa, where trains will still be running to/from South Wales.
- Trains between London and South Wales will be diverted via Gloucester, not stopping at Bristol Parkway, until around 1600. • A limited train service will run between London Paddington and Bristol Parkway.
- Replacement buses are also planned between Bristol Parkway and Newport until 1530.