Engineering work is taking place between Milton Keynes Central and Northampton, closing all lines early on Sunday morning.
Before 08:45, train services between London Euston and Northampton will run between London Euston and Milton Keynes Central only. Rail replacement buses will operate between Milton Keynes Central and Northampton.
Additionally, the 07:24 London Euston to Birmingham New Street service will run between London Euston and Milton Keynes Central, and between Northampton and Birmingham New Street.
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.