Watch Fiona McIlwraith's report on how the weather affected the region on Wednesday, and how drivers should proceed in icy conditions.
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Part one: A journey along the Dumfries and Galloway coast, uncovering hidden landmarks and hearing about the history of its shores.
The introduction of new timetables in May 2018 saw up to 310 trains a day cancelled.
Business leaders have urged the Government not to scale back the high-speed rail project.