Almaguin Highlands OPP has arrested four people after a car was seen speeding up to 150 kilometres an hour.

Police say after stopping the vehicle on Highway 11 on Sunday, a further investigation revealed the driver was suspended from driving and had a quantity of marijuana and cocaine inside.

The three other men in the vehicle, all from the Toronto area were charged with possession of drugs. The driver was also charged with drug possession, racing a motor vehicle, and driving while suspended.