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Buses replace late night / early morning trains between London Kings Cross / Welwyn Garden City / Hertford North and Letchworth Garden City / Peterborough on Saturday 5 and Sunday 6 December 

See all service disruptions

Engineering work details

Starts Saturday 05 December 2026 to Sunday 06 December 2026

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Train operators affected

  • Great Northern
  • Thameslink

Route(s) affected

Great Northern / Thameslink services via Stevenage

Description

Engineering work is taking place between Welwyn Garden City and Hitchin, closing some lines.

Great Northern / Thameslink:

At the end of Saturday service buses will replace trains between Welwyn Garden City / Hertford North and Letchworth Garden City.

The 23:11 Horsham to Hitchin service will not run. A rail replacement bus service will run between London Kings Cross and Peterborough.

From the start of Sunday service until approximately 08:20, buses will replace trains between:

  • Finsbury Park / Welwyn Garden City and Hitchin / Peterborough

  • Welwyn Garden City and Hitchin

  • 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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