Engineering work is taking place between London Liverpool Street and Cheshunt via Seven Sisters, closing all lines overnight from Monday evening until Friday morning.
Between 23:35 and 05:15 each night, trains that usually run via Seven Sisters will be amended to run via Tottenham Hale, with slightly extended journey times.
Stations on the Tottenham Hale line are only a short distance from those on the Seven Sisters line. You can view maps that show routes between these stations on the Greater Anglia website.
From 23:35 until the end of service on Monday to Thursday evenings, no trains will run between London Liverpool Street and Enfield Town / Cheshunt.
Rail replacement buses will run between Seven Sisters and Enfield Town / Cheshunt.
You can use your ticket at no extra cost on the following services:
Alternative London Overground service to / from Hackney Downs.
Greater Anglia services between London Liverpool Street and Cheshunt.
London Bus Routes:
London Underground:
If you are travelling with Greater Anglia / Stansted Express, you can plan your journey using the National Rail Enquiries Journey Planner.
If you are travelling with London Overground, these changes are not currently shown in the National Rail Journey Planner, please check back nearer to the time of travel.
You can plan your journey on London Buses / Underground by using the Transport for London Journey Planner.
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.