Engineering work is taking place between Shepherds Bush and Watford Junction, closing some lines.
From approximately 20:00 on Saturday evening until approximately midday on Sunday and again from 21:00 on Sunday evening, no Southern trains will run between Shepherds Bush and Watford Junction.
You should use Southern trains between Clapham Junction to London Victoria, London Underground between London Victoria and London Euston and London Northwestern Railway between London Euston and Watford Junction.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
You can plan your journey on London Underground by using the Transport for London Journey Planner