Engineering work is taking place between Swindon and Bristol Parkway, closing some lines overnight from Monday evening untilFriday morning.
As a result, the 22:49 London Paddington to Swansea service will be diverted to run via Bath Spa (not calling), and will call at Bristol Parkway and beyond later than usual.
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.