State Trooper

State police or provincial police are a type of sub-national territorial police force, found particularly in North America, South Asia, and Oceania. Some other countries have analogous police forces, such as the provincial police in some Canadian provinces. Particularly in the United States, the primary goals of most state police agencies are the safety of motorists on interstate highways, and the enforcement of traffic laws on those interstate highways, but can also involve statewide law enforcement and criminal investigation.

Each state of Australia has its own state police force. Municipalities do not have police forces and it is left to the state forces to police all geographic areas within their respective states. Australia does have a national police force, the Australian Federal Police, whose role is to enforce the laws of the Commonwealth, both criminal law and civil law, as well as to protect the interests of the Commonwealth, both domestically and internationally. The AFP does, however, provide 'state' policing for the Australian Capital Territory, Jervis Bay Territory, and Australia's other external territories such as Norfolk Island, Christmas Island and the Cocos (Keeling) Islands. Prior to the Federation of Australia, each Colony within Australia had numerous police forces, but these were largely amalgamated well before Federation.

Each state in Brazil has two state police forces:

Two provinces in Canada have a police force with jurisdiction over the entire province. In all other provinces, provincial police services are carried out by the Royal Canadian Mounted Police.

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