Following the RMT and TSSA union ballots for industrial action, strike action will take place on Thursday 18 August and Saturday 20 August.
Significant disruption is expected on all lines, as well as services starting later and finishing much earlier than usual.
Advice for travel on Thursday 18 and Saturday 20 August:
There will be a severely limited service on 18 and 20 August. Trains will only be running between 07:30 and 18:30 and there will be no trains to and from Ockendon and Chafford Hundred.
Advice for travel on Friday 19 and Sunday 21 August:
Disruption is also expected to services on the days after the strike action, especially in the morning. Customers are advised to check before they travel on Friday 19 and Sunday 21 August.
More information:
Ticket and refund information can be found on the c2c website.
Check before you travel:
The strike timetables for Thursday 18 August are expected to be updated in journey planners from 13 August, and timetables for Saturday 20 August are expected to be available from 16 August.