Avon and Somerset's newly elected Police and Crime Commissioner, Sue Mountstevens, joined officers as they carried out random breath tests on drivers during the festive period.
180 people have been arrested in the force area as part of December's Operation Tonic campaign.
She urges people to shop a drink or drug driver by ringing 999 or texting the word 'drunk' to 81819, giving the driver's details if they see anyone getting behind the wheel while under the influence:
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Philippa Drew has your forecast - chilly overnight but remaining settled.
Philippa Drew has your forecast - staying settled but chilly overnight.
A clear if slightly chilly night with a nippy start to Saturday. But it will turn into a day of blue skies and sunshine - highs of 21 C