Engineering work is taking place between London Fenchurch Street and Barking and also between Barking and Upminster, closing some lines.
Between 23:30 and 04:45 on Monday, Wednesday, and Thursday evening, and between 00:30 and 04:45 Tuesday evening, c2c services are to be diverted into London Liverpool Street via Rainham.
Shuttle services will operate between Upminster and Grays via Ockendon and between Upminster and Pitsea via Laindon.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.