Buses replace late night / early morning Alexandra Palace and Stevenage via Welwyn Garden City from Sunday 22 to Friday 27 March
Engineering work details
Starts Sunday 22 March 2026 to Friday 27 March 2026
Train operators affected
Route(s) affected
Great Northern between Moorgate and Welwyn Garden City, and between London Kings Cross and Welwyn Garden City / Cambridge / Kings Lynn
Thameslink between London Kings Cross and Peterborough
Description
Engineering work is taking place between Alexandra Palace and Stevenage via Welwyn Garden City, closing all lines overnight from Monday evening until Friday morning.
Between approximately 23:55 and 05:10 each night, buses replace trains between Alexandra Palace and Stevenage via Welwyn Garden City.
Trains between London and Peterborough / Cambridge / Kings Lynn will be diverted to run non-stop via Hertford North, with extended journey times.
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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