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Amended service via Finsbury Park from end of service Saturday 22 until 09:45 Sunday 23 June 

See all service disruptions

Engineering work details

Starts 22 Jun 2024 to 23 Jun 2024

Train operators affected

Route(s) affected

Great Northern / Thameslink service via Finsbury Park


Engineering work is taking place between Knebworth / Hertford North and Biggleswade / Royston / Cambridge and also between Finsbury Park / Alexandra Palace / New Barnet and Potters Bar / Hertford North, closing some lines.

From approximately 01:30 until approximately 09:45 on Sunday morning, Trains will operate to an amended service with replacement buses on some routes between Knebworth / Hertford North and Stevenage / Biggleswade / Royston / Cambridge.

Replacement buses will run between Finsbury Park and Hertford North and between New Barnet and Potters Bar.

Some trains will not be able to call at Harringay or Hornsey please use local London Bus services.

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 this page.

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages.

Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.