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 Metropolitan Police Department of the District of Columbia (MPDC), more commonly known locally as the Metropolitan Police Department (MPD), and, colloquially, DC Police, is the primary law enforcement agency for the District of Columbia, in the United States. With approximately 3,400 officers and 600 civilian staff, it is the sixth-largest municipal police department in the United States. The department serves an area of 68 square miles (180 km2) and a population of over 700,000 people. Established on August 6, 1861, the MPD is one of the oldest police departments in the United States. The MPD headquarters is at the Henry J. Daly Building, located on Indiana Avenue in Judiciary Square across the street from the District of Columbia Court of Appeals and the Superior Court of the District of Columbia. The department's mission is to "safeguard the District of Columbia and protect its residents and visitors with the highest regard for the sanctity of human life". The MPD's regulations are compiled in title 5, chapter 1 of the District of Columbia Code.
The Houston Police Department (HPD) is the primary municipal law enforcement agency serving the City of Houston, Texas, United States and some surrounding areas. With approximately 5,300 officers and 1,200 civilian support personnel it is the fifth-largest municipal police department, serving the fourth-largest city in the United States. Its headquarters are at 1200 Travis in Downtown Houston.
The South Carolina Highway Patrol (SCHP) is the highway patrol agency for South Carolina, which has jurisdiction anywhere in the state except for federal or military installations. The Highway Patrol was created in 1930 and is an organization with a rank structure similar to the armed forces. The mission of the South Carolina Highway Patrol includes enforcing the rules and regulations in order to ensure road way safety and reducing crime as outlined by South Carolina law. The Highway Patrol is the largest division of the South Carolina Department of Public Safety and its headquarters is located in Blythewood. This department also includes the South Carolina State Transport Police Division, and the South Carolina Bureau of Protective Services.
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 Treaty Three Police Service (T3PS) is a self-administered First Nation Police service in Ontario, serving all Treaty 3 First Nations.
The Lethbridge Police Service, formerly known as the Lethbridge Regional Police Service, was established 1902, and serves the city of Lethbridge, a community in southern Alberta of approximately 101,482 in its 2019 municipal census.
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 Nassau County Police Department is the law enforcement agency of Nassau County, on Long Island, New York, United States.
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 Missouri State Highway Patrol(MSHP) is the highway patrol agency for Missouri and has jurisdiction all across the state. It is a division of the Missouri Department of Public Safety. Colonel Eric T. Olson has been serving as the 24th superintendent since March 15, 2019.
The Los Angeles Police Department (LAPD), the primary law enforcement agency of Los Angeles, California, United States, maintains and uses a variety of resources that allow its officers to effectively perform their duties. The LAPD's organization is complex with the department divided into bureaus and offices that oversee functions and manage specialized units. The LAPD's resources include the department's divisions, transportation, communications, and technology.
The Metropolitan Police Department – City of St. Louis is the primary law enforcement agency for the U.S. city of St. Louis.
The Charlotte-Mecklenburg Police Department (CMPD) is the police department of Mecklenburg County, North Carolina, United States, which includes the City of Charlotte. With 1,817 officers and 525 civilian staff as of 2020, covering an area of 438 square miles (1,130 km2) with a population of 1,000,000+, it is the largest police department between Washington, D.C., and Atlanta, Georgia.
The New York City Police Department (NYPD) is structured into numerous bureaus and units. As a whole, the NYPD is headed by the Police Commissioner, a civilian administrator appointed by the Mayor, with the senior sworn uniformed officer of the service titled "Chief of Department". The Police Commissioner appoints the First Deputy Commissioner as the department's second-in-command and the Chief of Department as the department's highest ranking uniformed officer. The commissioner also appoints a number of deputy and assistant commissioners who do not have operational command and are solely for support and administrative function. The department is divided into twenty bureaus, six of which are enforcement bureaus. Each enforcement bureau is further subdivided into sections, divisions, and units, and into patrol boroughs, precincts, and detective squads. Each bureau is commanded by a bureau chief. There are also a number of specialized units that are not part of any of the bureaus and report to the Chief of the Department.
The United States police-rank model is generally quasi-military in structure. A uniform system of insignia based on that of the US Army and Marine Corps is used to help identify an officer's seniority.
The Durham Police Department is the municipal law enforcement agency of Durham, North Carolina.
The Williamsport Bureau of Police or (WBP) is the police agency responsible for law enforcement and investigations within the City of Williamsport, Pennsylvania, the county seat of Lycoming County. The Williamsport PD is the oldest police department in Lycoming county and Central Pennsylvania. As of 2024 there was 50 active sworn police officers on the force.
The McKeesport Police Department, commonly referred to as McKeesport Police, is the primary law enforcement agency for the City of McKeesport, Pennsylvania. The department employs over 50 officers, and serves an area of 6.47mi² and population of approximately 21,000, including the borough of Dravosburg. It is the second largest municipal law enforcement agency in Allegheny County.
Harrisburg Bureau of Police is a medium-sized city police force in South Central Pennsylvania serving the City of Harrisburg, Pennsylvania. In 2021, Harrisburg had the eighth largest police department in the Commonwealth of Pennsylvania by total law enforcement employees. Since 2003, the Bureau has achieved and maintained its annual status of an Accredited Agency under the Pennsylvania Chiefs of Police Association Accreditation Program. It is one of only 131 agencies across the state to voluntarily apply for and earn the accreditation.
