Drivers were left “stranded for hours” after wintry conditions closed part of a motorway overnight.
Commuters were facing a morning of disruptions on the roads with yellow weather warnings for snow and ice in place until around 11am on Tuesday.
A section of the M74 had to shut overnight between junctions 14 and 15 northbound, but police said it was now passable with care.
Some motorists took to social media to say they had been stranded for anything between one and four hours.
STV meteorologist and Sean Batty and the Met Office had warned on Monday that travel disruption was likely.
Traffic Scotland said there were very snowy conditions across the trunk network on Tuesday and advised people to drive with care.
And police in the south advised commuters to leave extra time for their journey and drive according to the conditions.
Gritting lorries, meanwhile, were out in force in a bid to keep the roads clear.
Air pushing south from Greenland ensured a low of -4C was recorded on Cairnwell mountain in the eastern Highlands.