Northern Rail has sent a stark three word warning to all passengers ahead of further strike dates in November.
Rail customers are being told "do not travel" on three separate days next month. Action will take place on Saturday, November 5, Monday, November 7, and Wednesday, November 9.
People are also being advised to "check before you travel" on Sunday, November 6, Tuesday, November 8, and Thursday, November 10, as services will not be able to start until "much later" than usual.