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Amended early morning services to / from Welham Green from Tuesday 20 to Friday 23 January 

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Engineering work details

Starts Tuesday 20 January 2026 to Friday 23 January 2026

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Train operators affected

Route(s) affected

Great Northern between Moorgate and Welwyn Garden City

Description

Engineering work is taking place in the Welham Green area, closing some lines early on Tuesday to Friday mornings.

Between 00:25 and 05:10, trains from London will not call at Welham Green.

Replacement buses will run between Potters Bar and Welwyn Garden City, calling at Welham Green.

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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