The New York State Police (NYSP) is the state police of the U.S. state of New York; it is part of the New York State Executive Department and employs over 5,000 sworn state troopers and 711 non-sworn members.
The Massachusetts State Police (MSP) is an agency of the Commonwealth of Massachusetts' Executive Office of Public Safety and Security, responsible for law enforcement and vehicle regulation across the state. As of 2024, it has 2,500 sworn troopers and 611 civilian support staff for a total of 3,111 personnel, making it the largest law enforcement agency in New England. The MSP is headed by Colonel Geoffrey Noble, the first colonel to not come from State Police ranks.
The Connecticut State Police (CSP) is the state police and highway patrol of the U.S. state of Connecticut, responsible for statewide traffic regulation and law enforcement, especially in areas not served by municipal police. It is a division of the Connecticut Department of Emergency Services and Public Protection. The CSP currently has about 875 troopers as of June 28, 2022 and is headquartered in Middletown, Connecticut. The Connecticut State Police is also responsible for protecting the Governor of Connecticut, Lieutenant Governor of Connecticut, and their families.
The Pennsylvania State Police (PSP) is the state police agency of the U.S. state of Pennsylvania, responsible for statewide law enforcement. The Pennsylvania State Police is a full service law enforcement agency which handles both traffic and criminal law enforcement. The Pennsylvania State Police was founded in 1905 by order of Governor Samuel Pennypacker, by signing Senate Bill 278 on May 2, 1905. The bill was signed in response to the Great Anthracite Strike of 1902. Leading up to the Anthracite Strike, private police forces were used by mine and mill owners to stop worker strikes. The inability or refusal of local police or sheriffs' offices to enforce the law directly influenced the signing of Bill 278. The Anthracite Strike lasted from May 15 to October 23, 1902, and was ended with the help of Theodore Roosevelt, the sitting president at the time.
The Alaska State Troopers, officially the Division of Alaska State Troopers (AST), is the state police agency of the U.S. state of Alaska. It is a division of the Alaska Department of Public Safety (DPS). The AST is a full-service law enforcement agency that handles both traffic and criminal law enforcement. The AST is also involved in apprehending fugitives as part of the Alaska Fugitive Task Force, an inter-agency collaborative of Alaska police departments that cooperates with police agencies throughout the United States and less commonly with Interpol in apprehending wanted men and women. Unlike many lower 48 states, the AST also serves as Alaska’s primary environmental law enforcement agency; troopers assigned to the AST’s Division of Alaska Wildlife Troopers are known as "Alaska Wildlife Troopers" and primarily serve as game wardens, although they retain the same powers as other Alaskan state troopers.
The Vermont State Police (VSP) is the state police agency for the U.S. state of Vermont. The force has jurisdiction throughout the entire state. The Vermont Public Safety Commission directs policy and selects the commander. The commander is Colonel Matthew Birmingham. The Commissioner of the Vermont Department of Public Safety is Michael Schirling. There are 332 sworn state troopers.
The Michigan State Police (MSP) is the state police agency for the U.S. state of Michigan. The MSP is a full-service law enforcement agency, with its sworn members having full police powers statewide.
The Delaware State Police (DSP) is a division of the Delaware Department of Public Safety and Homeland Security and is responsible for traffic regulation and law enforcement across the US State of Delaware, especially in areas underserved by local police departments. The DSP is headquartered in the capital Dover, Delaware.
The Washington State Patrol (WSP) is the state patrol agency for the U.S. state of Washington. Organized as the Washington State Highway Patrol in 1921, it was renamed and reconstituted in 1933. The agency is charged with the protection of the Governor of Washington and the grounds of the Washington State Capitol; security aboard the vessels and terminals of the Washington State Ferries; law enforcement on interstate and state highways in Washington; and providing specialized support to local law enforcement including laboratory forensic services, mobile field forces during periods of civil unrest or disaster, and tactical teams. The State Fire Marshal's Office, responsible for operation of the Washington State Fire Training Academy and for certain aspects of civil defense mobilization, is a component office of the Washington State Patrol, and the State Patrol is the managing agency of the Washington Fusion Center, which coordinates anti-terrorist and anti-organized crime activities within Washington.
The Florida Highway Patrol (FHP) is a division of the Florida Department of Highway Safety and Motor Vehicles. It is Florida's highway patrol and is the primary law enforcement agency charged with investigating traffic crashes and criminal laws on the state's highways.
The Maryland State Police (MSP), officially the Maryland Department of State Police (MDSP), is the official state police force of the U.S. state of Maryland. The Maryland State Police is headquartered at 1201 Reisterstown Road in the Pikesville CDP in unincorporated Baltimore County.
The Illinois State Police (ISP) is the state police agency of the U.S. state of Illinois. The Illinois State Police is responsible for traffic safety on more than 300,000 miles of total roadway, including 2,185 miles of interstate highways and 15,969 miles of state highways. Currently, almost 3,000 sworn and civilian personnel make up the Illinois State Police.
The Louisiana State Police is the state police agency of Louisiana, which has jurisdiction anywhere in the state, headquartered in Baton Rouge. It falls under the authority of the Louisiana Department of Public Safety & Corrections. It is officially known in that organization as the Office of State Police.
The Idaho State Police (ISP) is the statewide law enforcement agency for the State of Idaho. It began as the Bureau of Constabulary, created on May 18, 1919, under the new Department of Law Enforcement, to detect and investigate crime, "order abatement of public nuisances and to enforce such orders by appropriate court action, to suppress riots, prevent wrongs to children and animals that are inhibited by law." The state constabulary was also charged with the organization of various state, county and municipal peace officers. The bureau was dissolved by the state legislature in 1923.
The Virginia State Police, officially the Virginia Department of State Police, conceived in 1919 and established in 1932, is the state police force for the U.S. state of Virginia. The agency originated out of the Virginia Department of Motor Vehicles as an inspector and enforcer of highway laws. It is currently one of fourteen agencies within the Cabinet Secretariat of Public Safety. On January 18, 2018, Gary T. Settle was sworn in as Superintendent of the Virginia State Police. Colonel Settle replaced retiring Colonel W. Steven Flaherty, who had served since 2003.
The Kentucky State Police (KSP) is a department of the Kentucky Justice and Public Safety Cabinet, and the official State Police force of the Commonwealth of Kentucky, responsible for statewide law enforcement. The department was founded in 1948 and replaced the Kentucky Highway Patrol. The department's sworn personnel hold the title State Trooper, and its nickname is The Thin Gray Line.
The Oklahoma Highway Patrol (OHP) is a major state law enforcement agency of the government of Oklahoma. A division of the Oklahoma Department of Public Safety, the OHP has traffic enforcement jurisdiction throughout the state. OHP was legislatively created on July 1, 1937, due to the growing problem of motor vehicle collisions, the expansion of highway systems, and the increase in criminal activities.
The Indiana State Police is the statewide law enforcement agency for the U.S. state of Indiana. Indiana was the 12th state to offer protection to its citizens with a state police force.
The Maine State Police (MSP) is the state police agency for Maine, which has jurisdiction across the state and was created in 1921.
In the United States, the state police is a police body unique to each U.S. state, having statewide authority to conduct law enforcement activities and criminal investigations. In general, state police officers or highway patrol officers, known as state troopers, perform functions that do not fall within the jurisdiction of a county’s sheriff, such as enforcing traffic laws on state highways and interstates, overseeing security of state capitol complexes, protecting governors, training new officers for local police forces too small to operate an academy and providing technological and scientific services. They also support local police and help to coordinate multi-jurisdictional task force activity in serious or complicated cases in states that grant full police powers statewide.
