Buses replace late night / early morning trains between Potters Bar and St Neots / Letchworth Garden City and between Hertford North and Stevenage on Saturday 27 and Sunday 28 September
Engineering work details
Starts Saturday 27 September 2025 to Sunday 28 September 2025
Train operators affected
Route(s) affected
Great Northern between London Kings Cross and Cambridge and also between Moorgate and Hertford North / Stevenage
Thameslink between Horsham / London Kings Cross and Peterborough
Description
Engineering work is taking place between Potters Bar and St Neots / Letchworth Garden City and also between Hertford North and Stevenage, closing some lines.
At the end of Saturday service until approximately 08:45 on Sunday morning, buses replace trains between Potters Bar and Peterborough / Letchworth Garden City / Welwyn Garden City / Cambridge, and between Hertford North and Stevenage.
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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