Cambridge North, Cambridge, Stansted Airport and Hertford East
As a result of track maintenance, lines will be closed between Hackney Downs and Cheshunt from 23.30 Monday 4, Tuesday 5, Wednesday 6 and Thursday 7 December 2017.
The following services are diverted via Lea Valley and will call at Tottenham Hale rather than Seven Sisters:
23.45 Stansted Airport to Liverpool Street and the 23.39 Hertford East to Liverpool Street.
Customers for Seven Sisters to use Tottenham Hale Station which is within walking distance.
Please refer to the timetables below for further details.