The Highways Agency and the County Councils knew the snow was on the way in time to get plans in place. Gritters were out on the main roads in great numbers.
But as John Andrews reports, nature can defeat even the best laid plans:
Has the snow forced your school to close? Find the latest information for your area here.
Devon has been hit by heavy snow and blizzards this morning. Neighbouring Cornwall has missed the snow but there are reports of flooding.
The Met Office have predicted heavy snow in some areas from early in the morning continuing throughout the day and into the night.