London Liverpool Street to Hertford East, Stansted Airport, Cambridge and Cambridge North
As a result of maintenance work, all lines will be closed between Hackney Downs and Cheshunt from 23.15 Monday 20, Tuesday 21, Wednesday 22 and Thursday 23- 05.00 Tuesday 21, Wednesday 22, Thursday 23 and Friday 24 October 2017.
West Anglia services that normally run via the Lea Valley/ Tottenham Hale will be diverted via the Southbury Loop/ Seven Sisters. Stations on the Lea Valley/ Tottenham Hale route are within walking distance of the Southbury/ Seven Sisters Loop.
Please refer to the timetable below for further details.