Engineering work is taking place between Shenfield and London Liverpool Street, closing some lines on Sunday morning, and again on Sunday evening.
As a result, before 09:40 and after 23:05 on Sunday, journey times between Shenfield and London Liverpool Street will be extended by up to 15 minutes. Some trains will be retimed to run earlier or later than usual.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner