The largest railway strike in 30 years will begin at midnight after Tory ministers were blamed for having "actively prevented" a deal being reached.
Thousands of RMT members will walk out on Tuesday, Thursday and Saturday this week in the biggest outbreak of industrial action on the railways for a generation.
It means just five routes in Scotland will have trains running on June 21, 23, and 25 with large parts of the country cut off from the network completely.
