The Highways Agency is warning drivers to take extra care on the roads this evening and overnight as further snow and rain - possibly turning to ice - is forecast.
Action plans with police and local authorities have been activated for the A38 at Haldon Hill and extra resources including heavy vehicle recovery teams are in place. Even where snow has not fallen, there is a risk of rainwater turning to ice.
Drivers who do set out are advised to take extra care, to leave plenty of extra time for their journeys, and to leave enough distance between vehicles to stop safely.
While driving they should listen to travel bulletins on the radio and take a severe weather emergency kit including warm clothes, food, water, boots, a torch and spade for snow.
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Bob has the forecast for Devon, Cornwall, Somerset and Dorset.
Bob has the latest forecast for Bristol, Wiltshire, Gloucestershire, Somerset and Dorset