Engineering work is taking place between Alexandra Palace and Stevenage via Welwyn Garden City, closing all lines early on Monday to Friday mornings.
Between 00:01 and 05:10 on Monday to Friday mornings, buses will replace trains between Alexandra Palace and Stevenage via Welwyn Garden City.
Trains between London and Cambridge / Peterborough will be diverted to run via Hertford North.
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 this page.
You can find the location of your replacement bus by checking station signs or by searching for your station on our station information pages.