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Buses replace late night / early morning trains between Alexandra Palace and Stevenage via Welwyn Garden City from Monday 9 to Friday 13 February 

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Engineering work details

Starts Monday 09 February 2026 to Friday 13 February 2026

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Train operators affected

Route(s) affected

Great Northern between London Kings Cross and Welwyn Garden City / Letchworth Garden City / Royston / Cambridge / Kings Lynn and also between Moorgate and Welwyn Garden City

Thameslink Horsham / London Kings Cross and Peterborough

Description

Engineering work is taking place between Alexandra Palace and Stevenage, closing some lines.

From approximately 23:59 to 05:10 each morning, buses will replace trains between Alexandra Palace and Stevenage via Welwyn Garden City.

Trains will be diverted to run non-stop via Hertford North and journey times will be extended.

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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