Engineering work is taking place between Oxford Parkway and Oxford, closing some lines.
Between 22:55 Saturday evening and 08:35 Sunday morning, trains between London Marylebone and Oxford will operate between London Marylebone and Oxford Parkway only.
Rail replacement buses will operate between Oxford Parkway and Oxford.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement bus travel advice:
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 set-down 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.