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Buses replace late night / early morning trains between Finsbury Park / Hertford North and Stevenage / Letchworth Garden City / Peterborough on Saturday 14 and Sunday 15 November 

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Engineering work details

Starts Saturday 14 November 2026 to Sunday 15 November 2026

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Train operators affected

Route(s) affected

All Great Northern / Thameslink services to / from London Kings Cross / Moorgate

Description

Engineering work is taking place between Alexandra Palace / Potters Bar / Hertford North and Letchworth Garden City / Peterborough, closing all lines.

Saturday:

After approximately 23:50 on Saturday until the end of service, buses will replace trains between Finsbury Park / Potters Bar / Hertford North and Stevenage / Letchworth Garden City / Peterborough.

Sunday:

Before approximately 07:50, Northbound Hertford North / Potters Bar services will start from Hornsey / Alexandra Palace. Rail replacement buses will run non-stop between Finsbury Park and Alexandra Palace.

Ticket acceptance:

If you're travelling to / from Hornsey or Harringay, paper rail tickets will be accepted at no extra cost on London Buses to complete your journey. Paper rail tickets will also be accepted at no extra cost on London Buses between Moorgate and Finsbury Park, and on London Underground between Bounds Green, Finsbury Park and London King's Cross / Moorgate.

Before approximately 08:20, buses will replace trains between Potters Bar / Hertford North and Stevenage / Letchworth Garden City / Peterborough.

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 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.

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