Temperatures could drop as low as -8 degrees again tonight.
Crews from the midlands local authorities are continuing to treat roads every morning as December's cold snap lingers.
Motorists are being advised of hazardous conditions, as a status orange low temperature and ice warning is in place from six this evening until noon tomorrow.
Temperatures are expected to fall to -7 and -8 degrees again tonight.
Director of Services Laois County Council Simon Weldon says they're salting as much and as far as they can:
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