A highway patrol is a police unit, detail, or law enforcement agency created primarily for the purpose of overseeing and enforcing traffic safety compliance on roads and highways within a jurisdiction. They are also referred to in many countries as traffic police, although in other countries this term is more commonly used to refer to foot officers on point duty who control traffic at junctions.
The California Highway Patrol (CHP) is the principal state police agency for the U.S. state of California. The CHP has primary patrol jurisdiction over all California highways and roads and streets outside city limits, and can exercise law enforcement powers anywhere within the state. The California Highway Patrol can assist local and county agencies and can patrol major city streets along with local and county law enforcement, state and interstate highways, and is the primary law enforcement agency in rural parts of the state.
The Department of Public Safety of the State of Texas, commonly known as the Texas Department of Public Safety (DPS), is a department of the state government of Texas. The DPS is responsible for statewide law enforcement and driver license administration. The Public Safety Commission oversees the DPS. However, under state law, the Governor of Texas may assume command of the department during a public disaster, riot, insurrection, formation of a dangerous resistance to enforcement of law, or to perform his constitutional duty to enforce law. The commission's five members are appointed by the governor and confirmed by the Texas Senate, to serve without pay for staggered, six-year terms. The commission formulates plans and policies for enforcing criminal, traffic and safety laws, preventing and detecting crime, apprehending law violators, and educating citizens about laws and public safety.
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 Wisconsin State Patrol is the state patrol for the state of Wisconsin and is a division of the Wisconsin Department of Transportation. The Wisconsin State Patrol enforces traffic and criminal laws, oversees the motor carrier safety and weight facilities (SWEFs), inspects and regulates motor carriers, school buses and ambulances, and assists local law enforcement agencies with traffic safety, civil disturbances and disasters.
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 Nevada State Police (NSP), also known as the Nevada Department of Public Safety (DPS) from roughly 1949 to 2021, is the state police and highway patrol agency of Nevada, with state-wide jurisdiction. The Nevada State Police encompass the Division of Parole and Probation, the Nevada Highway Patrol, the Capitol Police Division, the Division of Investigations, the Office of Professional Responsibility, the Fire Marshall Division and the Records, Compliance and Communications Division as well as various other smaller entities.
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 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 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 Colorado State Patrol(CSP) (originally known as the Colorado State Highway Courtesy Patrol), based in Lakewood, Colorado, is a division of the Colorado Department of Public Safety, and is one of the official state patrol agencies of Colorado, along with the Colorado Bureau of Investigation (CBI), Colorado Division of Criminal Justice (DCJ), Colorado Division of Fire Prevention & Control (DFPC), and Colorado Division of Homeland Security and Emergency Management (DHSEM). Additionally, the Executive Director's Office supports operations of the five divisions and houses the Colorado School Safety Resource Center (CSSRC) and Colorado Integrated Criminal Justice Information Systems (CJIS). The CSP primarily enforces traffic laws on interstates and state highways and guards the state capitol and the Governor of Colorado.
The Arizona Department of Public Safety (AZDPS) or Arizona Highway Patrol (AHP) is a state-level law enforcement agency with a primary function of patrolling and enforcing state laws on Arizona highways. Their headquarters are in Phoenix.
The Texas Highway Patrol is a division of the Texas Department of Public Safety and is the largest state-level law enforcement agency in the U.S. state of Texas. The patrol's primary duties are enforcement of state traffic laws and commercial vehicle regulation, but it is a fully empowered police agency with authority to enforce criminal law anywhere in the state. Also, they respond to emergencies on Texas’s highways. Highway patrol troopers are also responsible for patrolling the state Capitol Complex in Austin and providing security to the governor. The current Chief is Lieutenant Colonel Dwight Mathis.
The Alabama Highway Patrol is the highway patrol organization for the U.S. state of Alabama, and has complete jurisdiction anywhere in the state. Its Troopers duties include motor vehicle law enforcement and rural traffic crash investigation covering about 69,500 miles of rural roads, as well as special duty performance during emergencies.
The Georgia State Patrol (GSP) was established in March 1937 in the U.S. state of Georgia and is a division of the Georgia Department of Public Safety. It is the primary state patrol agency for the U.S. state of Georgia. Although focused primarily on the enforcement of traffic laws and investigation of traffic crashes, the Georgia State Patrol (GSP) supports the efforts of all public safety agencies to reduce criminal activity, apprehend those involved, and respond to natural and manmade disasters.
The Mississippi Highway Patrol is the highway patrol and acting state police agency for the U.S. state of Mississippi, and has law enforcement jurisdiction over the majority of the state.
The North Carolina State Highway Patrol (NCSHP) is the highway patrol agency for North Carolina which has no per-se "state police" agency. The Patrol has jurisdiction anywhere in the state except for federal or military installations and on the Cherokee Indian Reservation or on Cherokee outlying lands in the western mountains. NCSHP personnel at times conduct formations, inspections, honor guard activities. The primary mission of the North Carolina State Highway Patrol is to ensure safe and efficient transportation on the streets and highways, reduce crime, protect against terrorism, enforce motor vehicle laws, and respond to natural and man-made disasters.
The Ohio State Highway Patrol is a division of the Ohio Department of Public Safety and has the primary responsibility of traffic enforcement in the U.S. state of Ohio.
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.
