Engineering work is taking place between Finsbury Park / Alexandra Palace and Stevenage, closing some lines.
From 23:50 to 04:50 each night, buses replace trains between Finsbury Park / Alexandra Palace and Stevenage via Hertford North.
If you're travelling to Hornsey or Harringay please use alternative services, or additionally, paper rail tickets will be accepted on London Buses.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner..
You can plan your journey on 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.