Northamptonshire Police has arrested 11 people for drink driving in the second week of its summer crackdown.
The drivers were stopped between June 6 and June 12.
Two of the 11 were arrested between 7am and midday and none were between 17 and 24-years-old.
Of the 11, nine people have been charged.
In comparison, the figures for June 6 to June 12 2011 saw 22 people arrested.
Four were between 7am and midday and seven were between 17 and 24 years old.
Of those, 18 were charged with six between 17 and 24 years old.
Chief Insp Dave Lawson said: “The figures are promising and show half the number of arrests for this period compared with last year.
“This is good news and we want to continue ensuring that people are not drinking and driving.
“We will continue to reinforce the dangers of drink driving in terms of the driver but also passengers, other motorists and pedestrians.
“We have charged nine people who tested over the drink drive limit. The consequences are serious. Our message is simple – do not drink and drive.
“Officers will be continuing to carry out high profile roadside checks throughout the county as well as targeted and intelligence-led operations. These checks will be taking place at all times of the day and night.”
Anyone who suspects a driver in Northamptonshire of driving under the influence of drink or drugs can call the Drivewatch Hotline on 0800 174 615.