Engineering work is taking place between London Liverpool Street and Grays via Barking and on Sunday between Pitsea and Upminster via Ockenden, closing various lines.
All weekend, there will be no trains between Barking and Grays via Rainham.
Buses will run between Upminster and Grays calling at Rainham and Purfleet and between Rainham and Dagenham Dock.
Additionally on Saturday, no trains will run from / to London Liverpool Street. Trains will be diverted to run from / to London Fenchurch Street and will call additionally at West Ham.
Customers please note it is only a short walk between London Liverpool Street and London Fenchurch Street.
Additional information on Sunday
A reduced service of 1 train per hour will run between London Liverpool Street and Shoeburyness and will also be retimed and diverted.
An additional service of 1 train per hour will run between London Fenchurch Street and Shoeburyness via Laindon calling at all stations except Limehouse.
Trains between London Fenchurch Street and Shoeburyness via Ockendon, will be diverted between Upminster and Pitsea running non stop via Laindon. Buses will run between Pitsea and Upminster via Ockendon.
Ticket acceptance
On Saturday, customers may use Docklands Light Railway or London Underground between West Ham and Stratford.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages
You can plan your journey on Docklands Light Railway or London Underground by using the Transport for London Journey Planner
Replacement Bus Travel Advice:
Bicycles are not allowed on rail replacement bus services at any time, unless fully folded. More travel advice for your replacement bus journey is available by selecting the Train Operating Company you are travelling with here.