Engineering work is taking place in the early morning between Potters Bar and Welwyn Garden City, closing some lines until 08:30.
As a result, until approximately 08:30 services between Moorgate and Welwyn Garden City will run between Moorgate and Potters Bar only. Replacement bus services will run between Alexandra Palace and Stevenage via Welwyn Garden City.
Additionally, services between London stations and Cambridge / Kings Lynn / Peterborough will divert 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.