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Buses replace late night trains between Finsbury Park and Stevenage via Welwyn Garden City from Sunday 28 December to Friday 2 January 

See all service disruptions

Engineering work details

Starts Sunday 28 December 2025 to Thursday 01 January 2026

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Train operators affected

Route(s) affected

Great Northern between London Kings Cross and Cambridge / Kings Lynn, and between Moorgate and Welwyn Garden City

Thameslink between London Kings Cross and Peterborough

Description

Engineering work is taking place between Finsbury Park and Stevenage, closing all lines via Hertford North on Sunday to Thursday evenings.

From approximately 23:30 on Sunday to Thursday evenings until the end of service, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert to run non-stop via Hertford North, with extended journey times.

Check before you travel:

You can plan your journey using the National Rail Enquiries 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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