The biggest rail strike in 30 years will begin at midnight causing "misery" for passengers across the country as Tory ministers tried to shift the blame on to workers.
Members of the RMT union will walk out for the first of three separate days of strike action on June 21 unless an 11th hour deal can be reached.
It means just five routes in Scotland will have trains running on Tuesday, Thursday and Saturday with large parts of the country cut off from the network completely.