Engineering work is taking place between Finsbury Park and Hertford North, closing some lines.
Until 09:40 on Sunday morning, no trains will run between London Kings Cross / Moorgate and Hertford North.
Replacement bus services, operated by Thameslink, will run between Finsbury Park and Hertford North.
Ticket acceptance:
You can use your tickets at no extra cost on London Underground Northern, Piccadilly, and Victoria lines between London Kings Cross St Pancras / Moorgate and Finsbury Park, and on London Bus route 21 for stations to / from Moorgate.
Check before you travel:
You can plan your journey using the National Rail Enquiries 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 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.