Last updated:Today at 19:44
Train companies affected:Transport for Wales
Train operators affected
Greater Anglia between London Liverpool Street and Hertford East / Cambridge North
Stansted Express between London Liverpool Street and Stansted Airport
Engineering work is taking place overnight between Cambridge Heath and Cheshunt ending Friday morning, closing some lines.
Train services which normally run via Seven Sisters, will be diverted via Tottenham Hale from 23:35 on Monday to Thursday nights through to 05:15 on Tuesday to Friday mornings.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
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