Updated at: 09-Oct-2025 09:36:36: AM
Operator: Great Northern
Routes affected:
Great Northern between London Kings Cross and Hertford North / Stevenage / Cambridge, and between Moorgate and Hertford North /Welwyn Garden City
Thameslink between London Kings Cross and Peterborough
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Description of Incident
Engineering work is taking place between Finsbury Park and Welwyn Garden City / Hertford North, closing all lines early on Sunday morning.
Before 08:30:
Buses replace trains between Finsbury Park and New Barnet / Welwyn Garden City / Gordon Hill / Hertford North, calling at all stations except Harringay and Hornsey. For Harringay / Hornsey, you can use paper rail tickets at no extra cost on London Buses to complete your journey.
If you’re travelling between Finsbury Park and London Kings Cross, paper rail tickets will be accepted on London Underground at no extra cost for journeys between Finsbury Park and London Kings Cross.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
You can plan your journey on London Buses / London Underground 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.
For the very latest National Rail information click here.
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This page created on: 09-Oct-2025 09:36:36: AM