Buses replace late night / early morning trains between Finsbury Park / Alexandra Palace and Stevenage via Welwyn Garden City from Wednesday 16 to Friday 18 December
Engineering work details
Starts Wednesday 16 December 2026 to Friday 18 December 2026
Train operators affected
- Great Northern
- Thameslink
Route(s) affected
Great Northern between London Kings Cross and Letchworth Garden City / Royston / Cambridge / Kings Lynn
Thameslink between Horsham and Peterborough, and between Brighton and Cambridge
Description
Engineering work is taking place between Welwyn Garden City and Stevenage, closing all lines on Wednesday and Thursday nights.
Between approximately 23:10 on Wednesday and Thursday evenings until approximately 05:10 on Thursday and Friday mornings, no trains will run between Welwyn Garden City and Stevenage.
A revised train service will run between London Kings Cross and Welwyn Garden City.
Rail replacement buses will run between Finsbury Park / Alexandra Palace and Stevenage via Welwyn Garden City.
Trains between London and Cambridge / Kings Lynn / Peterborough will divert to run non-stop via Hertford North, with extended journey times.
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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