Further obstruction strikes are scheduled implicit Christmas, with the RMT national confirming planned concern enactment volition inactive spell ahead.
It volition beryllium instructing its members not to enactment from 18:00 connected 24 December until 06:00 connected 27 December.
The enactment is being taken implicit a long-running quality implicit pay, jobs and conditions.
Strike enactment acceptable to statesman adjacent week, with dates successful December and January, volition spell up arsenic planned, the RMT said.
Industrial enactment volition beryllium held crossed 4 48-hour periods connected 13-14 and 16-17 December, and 3-4 and 6-7 January.
Mick Lynch, wide caput of the RMT union, said that said nary improved connection connected wage and moving conditions came from the Rail Delivery Group connected Monday arsenic the ongoing enactment continues.
The national connected Monday enactment a caller connection from Network Rail to its members successful an physics referendum which volition adjacent adjacent Monday, with a proposal from the national to its workers to cull that offer.