At about 11pm on Friday, police officers pulled over a car being driven by a 38-year-old man along the Princes Highway at South Nowra.

There were also two passengers in the car.

During the stop, police discovered a quantity of cannabis and what was believed to be methamphetamine in the car.

The drug will be tested to confirm that it is methamphetamine.

If it is meth, that and the cannabis are estimated to have a street value of $10,000.No charges were laid as of Saturday morning and police investigations are continuing.