Engineering work is taking place between London Liverpool Street and Cheshunt, resulting in the closure of some lines.
From 23:35 Monday -Thursday nights until 05:15 Tuesday - Friday mornings, trains that normally run via Seven Sisters will be diverted to run via Tottenham Hale.
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.