Gritting network expanded in York
More than a dozen routes have been added to the City of York Council's gritting network as temperatures plummet and a severe frost is forecast by the Met Office.
Council officials said 19 "secondary" routes had been earmarked for visits from gritting lorries.
And 50, one-tonne salt bags have been placed around the city for residents and businesses to access.
Some 270 salt bins have been filled by the side of highways and pavements.
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