Louisa Anne Corr had been driving around in her mother's car in the Yackandandah area on March 3.

Being behind the wheel did not stop her from drinking on her travels, despite having a prior.

She came to police attention on Osbornes Flat Road at Allans Flat about 1.25pm.

Her vehicle crossed double lines, causing those in other vehicles to call triple zero.

An off-duty officer flashed their lights at Corr, waited until her car was stationary, and took away her keys.

A test at the Wodonga Police Station about 90 minutes later showed a blood alcohol reading of .202.

Corr faced the Wodonga Magistrates Court this week, charged with high-range drink-driving.

"I can see your honour is concerned and I know why," lawyer Sally Wilson told magistrate Stella Stuthridge.

Magistrates can impose jail terms of up to 18 months for such readings.

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Ms Wilson said while her client had a similar prior in 2014, she had been to rehab and wanted to stay grog-free.

"She has set herself up to have the best support possible," Ms Wilson said.

"She has absolutely done everything she could to make sure she doesn't come back to court.

"It's an extremely high reading."

Ms Wilson asked that her client receive a fine without conviction amid concerns about the possible impact on her work in aged care.

"The fact she has taken such big steps to get her life back on track ... I am asking your honour to consider a non-conviction disposition," she said.

The court heard Corr had since moved to Wagga to continue to retrieve treatment.

She also attends Alcoholics Anonymous.

Ms Stuthridge disqualified her from driving for 40 months, without conviction.

"This was a huge reading and your prior is also a big reading," she said.

Corr was also fined $2000.