Engineering work is taking place between Hackney Downs and Tottenham Hale before 05:00 on Monday, closing various lines.
As a result, trains that usually run via Tottenham Hale will be diverted to run via Seven Sisters.
Customers should note that stations on the Seven Sisters route are within walking distance of those on the Tottenham Hale route.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.