Media playback is unsupported on your device

Some motorists still over the limit from last night

19 April 2012 Last updated at 09:30 BST

There are concerns that after a heavy night drinking, some people are still over drink drive the limit the next day.

Road safety campaigners say a growing number of motorists are getting behind the wheel when they are still over the limit from the previous evening and they say lives are being put at risk.

Jenny Hill reports.