Last updated:Today at 17:15
Train companies affected:South Western Railway
Train operators affected
Thameslink services via Harpenden
Engineering work is taking place overnight between Kentish Town and Harpenden, closing some lines.
From approximately 23:00 until the end of service on Saturday evening, trains will run to an amended timetable between Kentish Town and Harpenden.
The 23:15 Sutton to St Albans City train will terminate at West Hampstead Thameslink.
Please use an alternative northbound train.
You can plan your journey using the National Rail Enquiries Journey Planner