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Buses replace late night / early morning trains between Welwyn Garden City / Hitchin and Letchworth Garden City / Biggleswade / Peterborough on Saturday 19 and Sunday 20 December 

See all service disruptions

Engineering work details

Starts Saturday 19 December 2026 to Sunday 20 December 2026

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Train operators affected

  • Great Northern
  • Thameslink

Route(s) affected

Great Northern / Thameslink between Horsham / London Kings Cross and Peterborough, and between London Kings Cross and Letchworth Garden City

Description

Engineering work is taking place between Welwyn Garden City / Hitchin and Peterborough, closing various lines late on Saturday night and very early on Sunday morning.

Saturday:

The 23:11 Horsham to Peterborough service will terminate at Hitchin. A rail replacement bus will run between Hitchin and Peterborough.

Sunday:

The 00:20 London Kings Cross to Peterborough service will not call at Arlesey. A rail replacement bus will run between Hitchin and Biggleswade to provide connections.

The 01:07 London Kings Cross to Letchworth Garden City service will terminate at Welwyn Garden City. A rail replacement bus will run between Welwyn Garden City and Letchworth Garden City.

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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