Engineering work is taking place between Bicester North and Oxford, closing some lines overnight from Monday evening until Friday morning.
After 23:59 each night, train services between London Marylebone and Oxford will now be diverted to Bicester North and Banbury.
Replacement Buses will run between Bicester North (connecting with services from London Marylebone) and Oxford, calling at Bicester Village and Oxford Parkway.
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 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.