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Buses replace early morning trains until 07:40 between Welwyn Garden City / Hertford North and Hitchin / Letchworth Garden City on Sunday 10 January 

See all service disruptions

Engineering work details

Starts Saturday 09 January 2027 to Sunday 10 January 2027

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Train operators affected

  • Great Northern
  • Thameslink

Route(s) affected

Great Northern between London Kings Cross and Stevenage / Letchworth Garden City / Cambridge, and between Moorgate and Stevenage / Letchworth Garden City

Thameslink between London Kings Cross and Peterborough

Description

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

Buses will replace trains between Welwyn Garden City / Hertford North and Hitchin until 07:40 on Sunday.

Also, the 01:07 London Kings Cross to Letchworth Garden City (Great Northern) service will terminate at Welwyn Garden City. A rail replacement bus (operated by Thameslink) will run from Welwyn Garden City to Letchworth Garden City, departing at 01:45.

Rail replacement buses are operated by both Great Northern and Thameslink. You can use your ticket at no extra cost on either service.

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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