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Last updated:Today at 11:43
Train companies affected:South Western Railway

Amended Great Northern / Thameslink morning service between London Kings Cross and Peterborough / Cambridge on Monday 25 August 

See all service disruptions

Engineering work details

Starts Monday 25 August 2025 to Monday 25 August 2025

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Train operators affected

Route(s) affected

Great Northern between London Kings Cross and Letchworth Garden City / Peterborough / Cambridge / Kings Lynn

Thameslink between Brighton / London Kings Cross and Peterborough / Cambridge

Description

Engineering work is taking place between London Kings Cross and Peterborough, closing some lines.

From the start of service until approximately 08:00 on Monday, buses will replace trains between Potters Bar and Royston / Peterborough, and between Hertford North and Stevenage. Trains across the Great Northern / Thameslink network will run to an amended timetable.

Replacement buses (provided by Great Northern) will run between:

  • Potters Bar and Hitchin

  • Hertford North and Stevenage

  • Hitchin and Royston / Peterborough

Until 08:00, ticket acceptance is in place with:

London Underground:

  • between Kings Cross St Pancras and Tottenham Hale (Victoria line)

  • between Kings Cross St Pancras and Liverpool Street (Circle / Metropolitan / Hammersmith / City lines)

Elizabeth Line:

  • between Farringdon and London Liverpool Street

Greater Anglia:

  • between London Liverpool Street and Cambridge / Cambridge North

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner

You can plan your journey on 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.

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