The States of Jersey police asked islanders to report their friends for drinking and driving.

BBC: Drink-drivers arrested after calls from islanders

Four of 20 people arrested for drinking and driving in December were held after calls from people in Jersey.

BBC: Drink-drivers arrested after calls from islanders

The police said throughout the year, 217 people had been arrested for drinking and driving, compared to 198 in 2010.

BBC: Drink-drivers arrested after calls from islanders

There was a rise in the number of motorists arrested for drinking and driving over the festive period in County Durham, figures show.

BBC: Festive breath test arrests rise in County Durham

The rules imposed penalty points for motorists who drove through amber traffic lights, with a driving ban after two offences, as well as increasing penalties for speeding, drinking and driving and using a mobile phone while behind the wheel.

BBC: China fireworks truck blast causes deadly road collapse

In a bid to restore some order, new rules introduced on 1 January stepped up penalties for speeding, drinking and driving and using a mobile phone while behind the wheel.

BBC: Busy road in Beijing (file image)

One good sign for parents and drivers sharing the road with teens is that the dangers of drinking and driving appear to be getting through to teens.

CNN: Teen girls take more risks behind wheel, study finds

And they fear zealous prosecutors could start monitoring pregnant women for more mundane examples of unsafe conduct: drinking alcohol, driving fast, or even standing on a ladder.

ECONOMIST: Rights of the unborn