Police intercepted a Mazda 2 allegedly driving erratically on Nepean Highway about 11.40am today.
The male driver failed a roadside PBT and was requested to accompany police to a nearby police station where he returned an alleged reading of 0.277.
The 45-year-old Frankston man was charged with drink driving and unlicensed driving and was bailed to appear at Frankston Magistrates’ Court in February.
Police are hoping to speak to a female driver in a silver/white 4WD that may have been overtaken by the Mazda prior to the incident.
Anyone who witnessed the incident or with information is urged to contact Crime Stoppers on 1800 333 000 or file a confidential report at .