Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
Cambridgeshire: Drink & Drug Drive Arrests
112 people were arrested on suspicion of driving under the influence of alcohol or drugs in Cambridgeshire during June.
Extra traffic officers were sent out to do stop-checks as part of Cambridgeshire Police's summer focus on catching drink or drug drivers.
In total, around 5,900 drivers were stopped during June.
The number of arrests rose from 97 during the same period last year.
Around five arrests were as a result of calls to a confidential phone line (0800 032 0845) which Cambridgeshire Police set up to encourage the public to call if they suspect somebody is driving under the influence of drink or drugs.
This phone number was called 49 times during June.
Inspector Mark Rogers said: "It is always disappointing to see that people are continuing to break the law by drinking and driving. However, it is encouraging to see so many members of the public getting behind the campaign and calling the confidential line.
Not only has this led to a number of arrests but we are also making enquiries into named drivers to ensure we know where they are next time they decide to get behind the wheel and break the law.
The national enforcement campaign may be over but our work is not and we will continue to target those who think it's acceptable to drive while under the influence."
Theresa May has now signed a letter to trigger Article 50, the start of the official process to leave the EU.
Three people have been arrested after anti-deportation protesters locked themselves to a plane at Stansted Airport.
The best places to live in Britain have been released by the Sunday Times; and 3 Cambridgeshire locations are among them.
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