Motorists are being urged to drive with care as Britain braces itself for more snow with the prospect of a second week of disruption.
Heavy rain sweeping in from the south west during Monday could turn to snow over parts of Wales, the Midlands and the north, forecasters warn.
This would further increase pressure on local authorities, which are having difficulty in securing enough stocks of salt needed to keep the roads safe.
With UK stocks dwindling, the Government has requested salt from a number of European countries including Spain, Germany and Italy.
A spokesman for the Department for Communities and Local Government said: "We also understand that the key private sector salt suppliers in the UK, and some councils, have already arranged for their own overseas shipments which will be arriving in the UK in the coming days.
"We remain in close contact with suppliers to facilitate distribution of salt supplies to where they are most needed."
Low supplies forced Gloucestershire County Council to use white salt - a by-product of table salt - to treat roads in the county. It was mixed with two thirds rock salt to be spread on 'A' roads.
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