Julie Townsend, the head of road safety charity Brake, said she supports the targeting of younger drivers in their early 20s and morning-after drivers.
She said that many people do not realise the risks of driving after even one small drink.
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After a cold start with the odd freezing fog patch, Thursday should be mainly dry and bright with some sunny spells and light winds.
A fine day on Thursday with plenty of sunny spells and light winds. Temperatures will be close to normal for late February.
The new storage hub at the centre of KFC's chicken delivery problems has not yet been granted registration to legally operate.