Engineering work is taking place between Finsbury Park and Gordon Hill / Welwyn Garden City, closing all lines early on Sunday morning.
Until approximately 08:45 on Sunday:
No trains will run between London Kings Cross / Moorgate and Gordon Hill / New Barnet / Welwyn Garden City.
Replacement buses will run between Finsbury Park and Gordon Hill / New Barnet / Welwyn Garden City.
Paper rail tickets will be accepted at no extra cost on London Underground / London Buses between Finsbury Park and London Kings Cross / Moorgate.
Check before you travel:
You can plan your journey using the National Rail Journey Planner.
You can plan your journey on London Underground / London Buses by using the Transport for London 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.