Trains are set to be disrupted until the end of the day after heavy snowfall overnight.
A Met Office weather warning for snow and ice is in place across Aberdeenshire and the Highlands all day on Monday.
But overnight the snow fell further south, leading to the closure of the snow gates on the A93 in Glenshee in the morning.
The road reopened at around 11.50am.
ScotRail also says services between Inverness and Perth are subject to cancellations throughout the day.
On Monday morning, a service from Inverness to Glasgow Queen Street began from Perth, and a service from Edinburgh to Inverness terminated at the Fair City.
This afternoon there will be more cancellations.
The 2.50pm service from Inverness to Queen Street will start at Perth, and 3.07pm Queen Street to Inverness service will terminate at the Fair City.
Passengers can travel on the LNER service at 5.57pm from Perth to Inverness.
Met Office warns of more snow on Tuesday and Wednesday
Snow is expected to become more widespread and disruptive on Tuesday and Wednesday.
A Met Office weather warning for snow and ice is in place across the whole two days for the entire country.
It warns that some rural communities may be cut off due to the conditions.
The warning says: “Power cuts may occur, with the potential to affect other services, such as mobile phone coverage.
“There is also a chance of injuries from slips and falls on icy surfaces.”
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