Mansfield Magistrates’ Court heard police officers saw Chanelle Shaw driving a black Alpha Romeo near King's Mill Hospital and causing other drivers to stop, on June 6, just after midnight.
Pardeep Kalyan, prosecuting, said a test revealed Shaw, who was not wearing a seatbelt, had 84 micrograms of alcohol in 100 millilitres of breath, when the legal limit is 35mcg
Shaw, aged 31, of Sherwood Road, Sutton, admitted drink-driving.
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Treve Lander, mitigating, said she co-operated with police and accepted the offence.
She is currently signed off from her job as a pub manager due to health issues, he added.
Shaw was banned from driving for 22 months, but a rehabilitation course will reduce the ban by 22 weeks if she completes if before September 2023.
She was also fined £120 and ordered to pay a £34 surcharge and £85 costs.