Updated at: 25-Jun-2025 11:53:15: AM
Operator: Great Northern
Routes affected:
between Moorgate / London Kings Crossw and Welwyn Garden City
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Description of Incident
Engineering work is taking place between Potters Bar and Welwyn Garden City, closing some lines overnight.
From approximately 23:40 from Monday to Thursday evenings until 05:10 from Tuesday, to Friday mornings, Great Northern trains between Potters Bar and Welwyn Garden City will run to an amended timetable.
Northbound services (towards Welwyn Garden City) will not call at Welham Green.
Southbound services (towards London) will not call at Hatfield or Welham Green.
Replacement bus services will run between Potters Bar and Welwyn Garden City to provide connections to missing stops.
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.
For the very latest National Rail information click here.
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This page created on: 25-Jun-2025 11:27:19: AM