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Buses replace early morning trains between Welwyn Garden City / Hertford North and Royston / Peterborough on Sunday 20 December 

See all service disruptions

Engineering work details

Starts Sunday 20 December 2026 to Sunday 20 December 2026

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Train operators affected

  • Great Northern
  • Thameslink

Route(s) affected

Great Northern between Moorgate and Stevenage via Hertford North, and between London Kings Cross and Cambridge

Thameslink between London Kings Cross and Peterborough

Description

Engineering work is taking place between Welwyn Garden City / Hertford North and Royston / Peterborough, closing all lines early on Sunday morning.

Before 08:20, buses will replace trains between Welwyn Garden City and Royston / Peterborough, and between Hertford North and Stevenage.

Check before you travel:

You can plan your journey using the National Rail 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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