Yarra Ranges Highway Patrol have released details of drivers caught in a single shift on Monday 21 March.
At 2.33pm in Lilydale a 21-year-old male driver was caught drug driving and was to be charged with priors.
He will face Court where it is expected he will lose his licence for a minimum of 12 months.
A 59-year-old female driver also tested positive for drugs at 3.36pm in Chirnside Park.
She was also to be charged with priors and faces a similar sentence in Court.
An 18-year-old female driver rolled her vehicle after striking a parked car on Liverpool Road in Kilsyth.
The driver told police she had been looking at her phone before the incident happened.
She received minor injuries and was taken to hospital where a blood sample was obtained for analysis.
She received a $545 penalty notice and four points for using her phone and faces a further $545 penalty notice and six-month licence suspension pending the results of the blood analysis.
The driver told police she had received her probationary licence earlier that day.
