Engineering work is taking place between London Kings Cross and Hornsey, closing some lines on Sunday morning.
As a result, the 05:50 London Kings Cross to Hertford North service will start from Hornsey. You can use London Buses between London Kings Cross and Hornsey.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
You can plan your journey on London Buses by using the Transport for London Journey Planner