BBC News Published image captionNetwork Rail Scotland said efforts were under way to clear the line Snow drifts of 6ft (1.8m) are being cleared after blocking the railway line between Aberdeen and Inverness. Specialist ploughs were brought in to tackle the problems between Huntly and Inverurie in Aberdeenshire on Monday morning. Some of the drifts were reported as 50m (164ft) long. There were also issues on the Far North Line between Ardgay and Wick in the Highlands. Roads closed ScotRail said it was running trains either side of the blockage between Inverness and Keith and Aberdeen and Inverurie. Meanwhile, on the West Highland Line, speed restrictions of 20mph were imposed at three locations between Crianlarich and Fort William/Mallaig.