Engineering work is taking place between Bristol Parkway and Swindon, closing some lines.
The 08:30 Bristol Parkway to London Paddington will depart earlier at 08:10 and will divert between Bristol Parkway and Swindon (via Bath Spa â not calling). The train will return to near-normal timings departing Swindon and beyond.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner