Several states require physicians to report cases of impaired driving.
Berenson pled guilty in 1994 to a charge of impaired driving.
On July 17, 2007, Stevenson pleaded guilty to impaired driving.
In addition to the federal criminal laws, all provincial governments have enacted their own measures against impaired driving.
It runs international conferences on key topics such as speeding and impaired driving.
Byrne had a prior conviction for impaired driving in 1991.
To the officers he appeared intoxicated and so was arrested for impaired driving.
Brown has spoken to students, civic clubs and church groups in four states about the problem of impaired driving.
Still, prosecutors here said they believed that the sentence is the toughest ever handed down in a murder case involving impaired driving.
This has become standard procedure for certain offences such as impaired driving.