Engineering work is taking place between Bristol Parkway / Stroud and Gloucester, closing all lines.
Trains will be diverted to run via Severn Tunnel Junction, with extended journey times of up to 60 minutes.
Trains will run to an amended timetable, and will additionally call at Gloucester.
Bristol Parkway - Worcester Shrub Hill / Worcester Foregate Street:
Buses will replace trains between Bristol Parkway and Gloucester.
You can use your ticket at no extra cost on local buses between Bristol Parkway and Yate.
Swindon - Gloucester / Cheltenham Spa:
Buses will replace trains between Stroud and Gloucester, calling at Stonehouse (High Street / Bath Road).
A reduced train service will run between Swindon and Stroud.
A few early morning / late night buses will extend to run between Stroud and Cheltenham Spa. Otherwise, you can use your ticket at no extra cost for alternative Great Western Railway train services between Gloucester and Cheltenham Spa.
Additionally on Saturday:
You can plan your journey using the National Rail Journey Planner.
You can plan your journey on buses by using the Traveline website.
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.