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  2. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.

  3. List of United States state and local law enforcement agencies

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of U.S. state and local law enforcement agencies — local, regional, special and statewide government agencies (state police) of the U.S. states, of the federal district, and of the territories that provide law enforcement duties, including investigations, prevention and patrol functions.

  4. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections .

  5. List of law enforcement agencies in Virginia - Wikipedia

    en.wikipedia.org/wiki/List_of_law_enforcement...

    This is a list of law enforcement agencies in the state of Virginia.. According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 340 law enforcement agencies employing 22,848 sworn police officers, about 293 for each 100,000 residents.

  6. State police (United States) - Wikipedia

    en.wikipedia.org/wiki/State_police_(United_States)

    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 (Vermont being a notable exception), such as enforcing traffic laws on state highways and interstates, overseeing security of state capitol complexes, protecting governors ...

  7. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    OBD-II is an improvement over OBD-I in both capability and standardization. The OBD-II standard specifies the type of diagnostic connector and its pinout, the electrical signalling protocols available, and the messaging format. It also provides a candidate list of vehicle parameters to monitor along with how to encode the data for each.

  8. List of law enforcement agencies in Ohio - Wikipedia

    en.wikipedia.org/wiki/List_of_law_enforcement...

    This is a list of law enforcement agencies in the state of Ohio.. According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 831 law enforcement agencies employing 25,992 sworn police officers, about 225 for each 100,000 residents.

  9. State bureau of investigation - Wikipedia

    en.wikipedia.org/wiki/State_bureau_of_investigation

    SBIs can also exist either independently or within a state Department of Public Safety/Department of Justice (which is an umbrella agency coordinating and/or controlling the various state-level law enforcement agencies) or a state police force (which is a general law enforcement agency).