A 28-year-old woman was drink-driving in Derby Road in Kirkby-in-Ashfield.
Lisa Keeling, of Skegby Road, Kirkby-in-Ashfield, pleaded guilty to the offence when she appeared at Mansfield Magistrates' Court.
Keeling was behind the wheel of a BMW when she had 70 micrograms of alcohol in 100 millilitres of breath, over the limit of 35, on December 2.