Engineering work is taking place between West Hampstead Thameslink and St Albans, closing some lines overnight from Monday evening until Friday morning.
Between 22:00 and 05:00 each night, trains will run to an amended and reduced timetable between West Hampstead Thameslink and St Albans.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Although journey planners are showing correctly, your journey may be subject to alteration at short notice due to the Coronavirus outbreak. Please check before your journey.