Engineering work is taking place between Alexandra Palace and Welwyn Garden City, closing some lines.
All day Saturday and Sunday, no trains will run between Alexandra Palace and Welwyn Garden City.
Rail replacement buses will run between Alexandra Palace and Welwyn Garden City. These will call additionally at Cockfosters (London Underground).
All trains between London Kings Cross / Finsbury Park and Stevenage / Hitchin / Peterborough / Cambridge / Kings Lynn will run to a reduced timetable with extended journey times.
A reduced service of once per hour will run between Moorgate and Hertford North.
No stopping services will run between Hertford North and Stevenage, calling at Watton-at-Stone.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Replacement 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.