Gritters will be out across Hemel Hempstead tonight
The council's Highways department is expecting a cold night
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Gritters will be out across Hertfordshire tonight (Monday) as the temperature's are expected to drop below zero.
Hertfordshire County Council Highways (@Herts_Highways) said on Twitter: "#GritterTwitter We're expecting a cold night with road temperature's below zero and a risk of black ice, so we'll be out gritting from 7pm tonight. Travel safely everyone!"