Engineering work is taking place between London Liverpool Street and Cheshunt, closing some lines via Seven Sisters.
As a result, Greater Anglia / Stansted Express services that normally run via Seven Sisters will be amended to run via Tottenham Hale instead.
Stations on the Tottenham Hale line are only a short distance from those on the Seven Sisters line.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner