Casey Highway Patrol officers nabbed six drivers for various traffic offences as part of a local operation targeting people attempting to avoid a Random Breath Test Bus in Hampton Park.
Officers pulled over vehicles seen to be turning off the road before the bus.
Among the driver's stopped was an unlicensed 25-year-old Heatherton man who recorded a blood alcohol reading of 0.131
A 56-year-old Hampton Park man was also found to be driving whilst his license was suspended.
They will both face court at a later date.
Meanwhile a 35-year-old Narre Warren man and 25-year-old Narre Warren South man were both issued infringement notices for unlicensed driving.
A 20-year-old Berwick man was issued an infringement notice for failing to display P plates and a 22-year-old Dandenong North woman was issued an infringement notice for failure to carry a learner's permit, failure to display L plates and failure to have an experienced driver.