Engineering work is taking place overnight between London Liverpool Street and Cheshunt, closing some lines.
Trains that normally operate via Tottenham Hale, will be diverted via Seven Sisters from 23.15 Sunday night through to 05.00 Monday morning.
Lea Bridge customers should use TfL buses between Lea Bridge and Stratford / Hackney Downs.
The 22:39 Hertford East to Stratford service will be diverted to London Liverpool Street calling additionally at Seven Sisters and Hackney Downs. Stations from Waltham Cross to Stratford inclusive will not be served.
The 23:32 Stratford to Hertford East service will be diverted to start from London Liverpool Street at 23:42, calling additionally at Hackney Downs and Seven Sisters. Stations from Stratford to Waltham Cross inclusive will not be served.
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.
You can plan your journey on London Buses by using the Transport for London Journey Planner