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United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
,
vehicle safety Automotive safety is the study and practice of design, construction, equipment and regulation to minimize the occurrence and consequences of traffic collisions involving motor vehicles. Road traffic safety more broadly includes roadway design. ...
inspection and
emissions Emission may refer to: Chemical products * Emission of air pollutants, notably: **Flue gas, gas exiting to the atmosphere via a flue ** Exhaust gas, flue gas generated by fuel combustion ** Emission of greenhouse gases, which absorb and emit rad ...
inspection are governed by each
state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...
individually. Fifteen states have a periodic (annual or biennial) safety inspection program, while Maryland requires a safety inspection and Alabama requires a VIN inspection on sale or transfer of vehicles which were previously registered in another state. An additional 16 states require periodic emissions inspections. In 1977, the federal Clean Air Act was amended by Congress to require states to implement vehicle emissions inspection programs, known as I/M programs (for Inspection and Maintenance), in all major metropolitan areas whose air quality failed to meet certain federal standards. New York's program started in 1982, California's program ( Smog Check) started in 1984, and Illinois's program started in 1986. The Clean Air Act of 1990 required some states to enact vehicle emissions inspection programs. States impacted were those in metropolitan areas where air quality did not meet federal standards. Some states, including Kentucky and Minnesota, have discontinued their testing programs in recent years with approval from the federal government.


List of jurisdictions


Require periodic vehicle safety inspections

* Connecticut – not for passenger vehicles, but annually for certain commercial vehicles, trucks, grey market, salvage, and several types of trailers. * Delaware – annually or biennially, new cars are exempt from inspection for the first seven years provided the car remains with the same owner. * District of Columbia—biennially for publicly owned vehicles only, the requirement for safety inspection for privately owned cars ended October 1, 2009. * Hawaii – annually, with the following exceptions: Brand new vehicles receive an inspection valid for two years. Emergency vehicles, school vehicles, rental cars, and vehicles used in public transportation must be inspected every six months. Sticker placed on rear bumper to right on license plate. * Louisiana – annually. However, as of September 2012, people in most jurisdictions have the option of getting a sticker good for two years, rather than one, by paying double the usual fee. In most of south Louisiana, inspection stickers are commonly referred to as "Brake Tags"; they are placed on the inside of the windshield, in the lower left corner of the windshield (on the driver's side). Colors change every year. * Maine – annually. Color of sticker changes annually. School buses are inspected every six months. Vehicles registered as Antique Autos are exempt. Sticker placed in top center of windshield behind rear view mirror or lower left-hand corner of windshield. *Maryland – when registering vehicles from another state. When a used vehicle is purchased. *Massachusetts – annually. Stickers are placed in the lower right corner of the windshield. * Missouri – biennially, based on the vehicle's model year. Odd-numbered model year renews in odd-numbered year, even-numbered model year renews in even-numbered year. Effective August 28, 2019, motor vehicles for the first ten years following the model year of manufacture and having less than 150,000 miles on the odometer are exempt from the safety inspection requirement. Vehicles displaying historical plates are completely exempt from inspection. * New Hampshire – annually, except the first inspection of a new vehicle or upon an ownership transfer is adjusted to expire in the month of the registrant's birthday and is therefore valid for 4 to 15 months. Sticker placed in lower driver corner of the windshield. * New Jersey – annually for commercial vehicles (including taxis, limousines, jitneys, and buses), effective January 1, 2010. Passenger vehicles are exempt from safety inspections, effective August 1, 2010. * New York – annually. Color of sticker changes annually. Newly registered vehicles with a current inspection sticker from another state are exempt until the out-of-state sticker expires or for one year after registration in New York, whichever is sooner. Vehicles registered as farm vehicles are exempt. Stickers are placed on lower left corner of windshield. * North Carolina – annually until the vehicle is 30 years of age, at which point inspections are no longer required. * Pennsylvania – annually for most vehicles; every six months for school vehicles (including school buses and school vans), motor coaches, mass transit buses, etc. Stickers are placed on the lower driver's side corner of the windshield. Vehicles bearing antique vehicle license plates are exempt from inspection, but vehicles bearing classic or collectible license plates are subject to inspection. Trailers in excess of GVW are also inspected annually as are motorcycles. * Rhode Island – biennially; newly registered vehicles are exempt from the inspection requirement for two years from the date of purchase. Vehicles registered as antiques are subject to safety inspection, but are exempt from emissions testing. Stickers are placed on lower-right corner of windshield. * Texas – new vehicles are sold with an inspection decal which expires two years after the sale of the vehicle. Annually thereafter and for Motorcycles. The inspection decal is placed in the lower left corner of the windshield near the registration decal. As of March 1, 2015, the inspection decal was eliminated and proof of inspection will be required to renew the registration. Any vehicle registered as antique 25 years or older does not need safety inspection. * Vermont – annually; inspections are due at the end of even-numbered months only. Inspections performed in an odd-numbered month will receive a sticker for the next even-numbered month (e.g., a car inspected in November 2011 will receive a sticker good until December 31, 2012). Inspection stickers are placed behind the rearview mirror and are color-coded by year. * Virginia – annually. Newly registered vehicles with a valid inspection from another state are not exempt from inspection until the out-of-state inspection expires. As soon as a vehicle is registered in Virginia, that vehicle must have a Virginia safety inspection. Primarily yellow; background color of year digits changes annually. Placed in the lower left part of the windshield (lower center windshield before January 1, 2018). Beginning January 2019 the color of Virginia's inspection stickers changed from yellow to blue. * West Virginia – annually; color of sticker changes annually; sticker placed in lower left corner of windshield.


Require inspection only prior to sale or transfer of ownership

* Alabama VIN only * Maryland safety


Require safety inspection only when bringing vehicle from another jurisdiction

* Nebraska * Kentucky


Require periodic vehicle emissions inspections

* Arizona – biennially, in
Phoenix Phoenix most often refers to: * Phoenix (mythology), a legendary bird from ancient Greek folklore * Phoenix, Arizona, a city in the United States Phoenix may also refer to: Mythology Greek mythological figures * Phoenix (son of Amyntor), a ...
and
Tucson , "(at the) base of the black ill , nicknames = "The Old Pueblo", "Optics Valley", "America's biggest small town" , image_map = , mapsize = 260px , map_caption = Interactive map ...
metro areas only, depending on age and type of vehicle. * 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. * Colorado – biennially, except for vehicles seven years old and newer. Required in
Boulder In geology, a boulder (or rarely bowlder) is a rock fragment with size greater than in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In c ...
, Broomfield,
Denver Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
,
Douglas Douglas may refer to: People * Douglas (given name) * Douglas (surname) Animals *Douglas (parrot), macaw that starred as the parrot ''Rosalinda'' in Pippi Longstocking *Douglas the camel, a camel in the Confederate Army in the American Civil W ...
, and
Jefferson Jefferson may refer to: Names * Jefferson (surname) * Jefferson (given name) People * Thomas Jefferson (1743–1826), third president of the United States * Jefferson (footballer, born 1970), full name Jefferson Tomaz de Souza, Brazilian foo ...
Counties, and parts of Adams,
Arapahoe The Arapaho (; french: Arapahos, ) are a Native American people historically living on the plains of Colorado and Wyoming. They were close allies of the Cheyenne tribe and loosely aligned with the Lakota and Dakota. By the 1850s, Arapaho band ...
, Larimer, and Weld Counties. * Connecticut – biennially. * Delaware – annually or biennially. Older cars registered as antiques are exempt from emissions testing. * District of Columbia – biennially. * Georgia – annually for gasoline-powered cars or light-duty trucks (8,500 pounds GVWR or less), required only in the 13 metro
Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...
counties (
Cherokee The Cherokee (; chr, ᎠᏂᏴᏫᏯᎢ, translit=Aniyvwiyaʔi or Anigiduwagi, or chr, ᏣᎳᎩ, links=no, translit=Tsalagi) are one of the indigenous peoples of the Southeastern Woodlands of the United States. Prior to the 18th century, t ...
, Clayton, Cobb,
Coweta Coweta is a city in Wagoner County, Oklahoma, United States, a suburb of Tulsa. As of 2010, its population was 9,943. Part of the Creek Nation in Indian Territory before Oklahoma became a U.S. state, the town was first settled in 1840.DeKalb DeKalb or De Kalb may refer to: People * Baron Johann de Kalb (1721–1780), major general in the American Revolutionary War Places Municipalities in the United States * DeKalb, Illinois, the largest city in the United States named DeKalb **DeKal ...
,
Douglas Douglas may refer to: People * Douglas (given name) * Douglas (surname) Animals *Douglas (parrot), macaw that starred as the parrot ''Rosalinda'' in Pippi Longstocking *Douglas the camel, a camel in the Confederate Army in the American Civil W ...
, Fayette,
Forsyth Forsyth may refer to: Places Oceania * Forsyth Island, Queensland, Australia, one of the West Wellesley Islands (aka Forsyth Islands) * Forsyth Island, Tasmania, Australia * Forsyth Island (New Zealand), in the outer Marlborough Sounds of South I ...
,
Fulton Fulton may refer to: People * Robert Fulton (1765–1815), American engineer and inventor who developed the first commercially successful steam-powered ship * Fulton (surname) Given name * Fulton Allem (born 1957), South African golfer * Fult ...
,
Gwinnett Gwinnett County ( ) is located in the north central portion of the U.S. state of Georgia. It forms part of the Atlanta metropolitan area. In 2020, the population was 957,062, making it the second-most populous county in Georgia (after Fulton ...
,
Henry Henry may refer to: People *Henry (given name) * Henry (surname) * Henry Lau, Canadian singer and musician who performs under the mononym Henry Royalty * Portuguese royalty ** King-Cardinal Henry, King of Portugal ** Henry, Count of Portugal, ...
, Paulding and Rockdale). The three most recent model year vehicles and those that are 25 model years or older are exempt from emissions testing, as well as all motorcycles, recreational vehicles (RVs), motor homes and diesel-powered vehicles. * Idaho – required in
Ada County Ada County is located in the southwestern part of Idaho, United States. As of the 2021 United States census estimate, the county had a population of 511,931, making it by far the state's most populous county; it is home to 26.8% of the state's p ...
and Canyon County only. * Illinois – biennially after the vehicle is four years old. Required only in the
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hi ...
and
eastern suburbs Eastern Suburbs may refer to: Places *Eastern Suburbs (Mumbai), India *Eastern Suburbs (Sydney), Australia **Eastern Suburbs railway line, Sydney, Australia Sports clubs ;Association football *Eastern Suburbs AFC, Auckland, New Zealand * Eastern ...
of St. Louis, Missouri. * Indiana – biennially, required in Lake County and
Porter County Porter County is a county in the U.S. state of Indiana. As of 2020, the population was 173,215, making it the 10th most populous county in Indiana. The county seat is Valparaiso. The county is part of Northwest Indiana, as well as the Chicago m ...
(
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...
metropolitan area)/
Northwest Indiana Northwest Indiana, nicknamed The Region after the Calumet Region, comprises Lake, Porter, LaPorte, Newton and Jasper counties in Indiana. This region neighbors Lake Michigan and is part of the Chicago metropolitan area. According to the 2020 ...
only. * Louisiana – annually, only in the
Baton Rouge Baton Rouge ( ; ) is a city in and the capital of the U.S. state of Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-sma ...
metropolitan area
parishes A parish is a territorial entity in many Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest, often termed a parish priest, who might be assisted by one or m ...
of Ascension,
East Baton Rouge East Baton Rouge Parish (french: Paroisse de Bâton Rouge Est) is the most populous parish in the U.S. state of Louisiana. At the 2010 U.S. census, its population was 440,171, and 456,781 at the 2020 census. The parish seat is Baton Rouge, Lou ...
, Iberville,
Livingston Livingston may refer to: Businesses * Livingston Energy Flight, an Italian airline (2003–2010) * Livingston Compagnia Aerea, an Italian airline (2011–2014), also known as Livingston Airline * Livingston International, a North American custom ...
, and West Baton Rouge. Cars registered in these five parishes must be inspected in one of the five parishes; cars from outside those parishes (excluding the cities of New Orleans,
Kenner Kenner Products, known simply as Kenner, was an American toy company founded in 1946. Throughout its history, the Kenner brand produced several highly recognizable toys and merchandise lines including action figures like the original series of ' ...
and Westwego) may be inspected in the Baton Rouge area. * Maine – annually, only in
Cumberland County Cumberland County may refer to: Australia * Cumberland County, New South Wales * the former name of Cumberland Land District, Tasmania, Australia Canada *Cumberland County, Nova Scotia United Kingdom *Cumberland, historic county *Cumberlan ...
. Also required by ordinance in
Sanford, Maine Sanford is a city in York County, Maine, United States. The population was 21,982 in the 2020 census, making it the seventh largest municipality in the state. Situated on the Mousam River, Sanford includes the village of Springvale. The city ...
but unenforced as many go to other towns to get inspected car and police cannot arrest or decline registration or inspection of Sanford car as its not mentioned in state law . * Maryland – biennially, required in 13 (out of 23) counties and the
independent city An independent city or independent town is a city or town that does not form part of another general-purpose local government entity (such as a province). Historical precursors In the Holy Roman Empire, and to a degree in its successor states ...
of
Baltimore Baltimore ( , locally: or ) is the List of municipalities in Maryland, most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic (United States), Mid-Atlantic, and List of United States cities by popula ...
. The most recent two model years of vehicles are exempt from emissions testing. * Massachusetts – annually, as of 2008. Vehicles less than 15 years old must pass an OBD-2 scan for emissions system compliance. Vehicles over 15 years old receive a visual check and must not 'produce visible smoke'. Prior to 2008, an emissions inspection was required biennially based on the vehicle's model year (odd-numbered model years were inspected in odd-numbered years, even-numbered model years were inspected in even-numbered years). Also in 2008, the tailpipe test for 1995 model year and older vehicles was discontinued. * Missouri – biennially, based on the vehicle's model year, required only in St. Louis City, St. Louis County,
St. Charles County St. Charles County is in the central eastern part of the U.S. state of Missouri. As of the 2020 census, the population was 405,262, making it Missouri's third-most populous county. Its county seat is St. Charles. The county was organized Oct ...
, Franklin County, and Jefferson County. * Nevada – required only in the urban areas of Clark County (
Las Vegas Las Vegas (; Spanish for "The Meadows"), often known simply as Vegas, is the 25th-most populous city in the United States, the most populous city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas ...
) and Washoe County (
Reno Reno ( ) is a city in the northwest section of the U.S. state of Nevada, along the Nevada-California border, about north from Lake Tahoe, known as "The Biggest Little City in the World". Known for its casino and tourism industry, Reno is the ...
) for most vehicles. New vehicles in their first or second years of registration, hybrid vehicles five model years old or less, diesel vehicles with a gross vehicle weight of 14,000 lb. or more, 1967 or older vehicles, motorcycles/mopeds, and certain other vehicles are exempt. * New Hampshire – annually, except the first inspection of a new vehicle or upon an ownership transfer is adjusted to expire in the month of the registrant's birthday and is therefore valid for 4 to 15 months. Emissions inspection is required only for model year 1996 and newer vehicles that are less than 20 years old. * New Jersey – biennially. Effective January 1, 2010, commercial vehicles (including taxis, limousines, jitneys, and buses) are subject to an annual inspection. Effective August 1, 2010, new non-commercial vehicles are exempt for the first five years. Used non-commercial vehicles are also exempt for the first five model years, as indicated on the New Car Dealer inspection decal. Used non-commercial vehicles originally purchased outside of New Jersey will receive a decal valid for five years from the model year of the vehicle. Effective August 1, 2010, vehicles exempt from inspection include motorcycles, non-commercial
diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...
vehicles between and GVWR or older than model year 1997 and under GVWR,
diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...
trucks between and GVWR (subject to self-inspection), farm vehicles, collector vehicles, historic vehicles, trailers, and mopeds. Effective May 2016, cars 1995 and older are no longer subject to emissions inspection. * New Mexico – biennially, required only for vehicles 1983 and newer registered in, or commuting to
Bernalillo County Bernalillo County () is the most populous county in the U.S. state of New Mexico.Bernalillo ...
(which includes the state's largest city of
Albuquerque Albuquerque ( ; ), ; kee, Arawageeki; tow, Vakêêke; zun, Alo:ke:k'ya; apj, Gołgéeki'yé. abbreviated ABQ, is the most populous city in the U.S. state of New Mexico. Its nicknames, The Duke City and Burque, both reference its founding in ...
). * New York – annually. Newly registered vehicles with a current inspection sticker from another state are exempt until the out-of-state sticker expires or for one year after registration in New York, whichever is sooner. Model year 1996 and newer vehicles are subject to an OBD-II emissions inspection, while older cars receive a visual check of emissions components. Until December 31, 2010, vehicles registered in the five boroughs of
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
, as well as on
Long Island Long Island is a densely populated island in the southeastern region of the U.S. state of New York (state), New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United Sta ...
, in
Westchester County Westchester County is located in the U.S. state of New York. It is the seventh most populous county in the State of New York and the most populous north of New York City. According to the 2020 United States Census, the county had a population o ...
or in
Rockland County Rockland County is the southernmost county on the west side of the Hudson River in the U.S. state of New York. It is part of the New York metropolitan area. It is about from the Bronx at their closest points. The county's population, as of t ...
required a tailpipe smog-test if they are not OBD II equipped (they now receive a visual only check of emissions control devices). All OBD II vehicles in those areas (1996 model year or newer, 1997 and newer for diesel) require and OBD II test plus a visual check of emissions components. Any vehicle 26 model years old or more does not require an emissions check of any sort, and vehicles 2 model years old or newer are exempt. Diesel trucks over 8500 lbs. GVWR are required to have a diesel emissions inspection if they are registered in the NYC metropolitan area. * North Carolina – annually, required for vehicles in 22 (out of 100) counties, for vehicles newer than 20 years old. Effective November 1, 2008, no inspection decal is issued upon passing. All state inspection records both emissions and safety are now kept via electronic database, and are required for being awarded new license plates, and/or registration. Effective April 1, 2015, vehicles that are within the last three model years (including the current model year) and have fewer than 70,000 miles on the odometer are exempt from emissions inspection. * Ohio – currently required only in the
Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...
metropolitan area (
Cuyahoga County Cuyahoga County ( or ) is a large urban County (United States), county located in the Northeast Ohio, northeastern part of the U.S. state of Ohio. It is situated on the southern shore of Lake Erie, across the Canada–United States border, U.S.- ...
,
Geauga County Geauga County ( ) is a county in the U.S. state of Ohio. As of the 2020 census, the population was 95,397. The county seat is Chardon. The county is named for an Onondaga or Seneca language word meaning 'raccoon', originally the name of the ...
, Lake County,
Lorain County Lorain County is a County (United States), county in the northeastern part of the U.S. state of Ohio. As of the 2020 United States census, 2020 census, the population was 312,964. Its county seat is Elyria, Ohio, Elyria. The county was physicall ...
, Medina County, Portage County, and Summit County). Vehicles up to four years old are exempt. Testing is based on an odd-even year system. Cars purchased in 2000 were not required to be tested until 2010, while cars purchased in 2003 had to be tested in 2009. Ohio does not charge a fee for emission testing, due to Ohio's tobacco settlement. * Oregon – required only (1975 and newer) in the
Portland Portland most commonly refers to: * Portland, Oregon, the largest city in the state of Oregon, in the Pacific Northwest region of the United States * Portland, Maine, the largest city in the state of Maine, in the New England region of the northeas ...
and Medford metro areas * Pennsylvania – annually for most vehicles under GVW. Required in 25 (out of 67) counties. Diesel-powered vehicles are exempt from emissions inspection. * Rhode Island – biennially. * Texas – annually, required only in four of the state's six largest urban areas:
Houston Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 in ...
, Dallas–Fort Worth,
Austin Austin is the capital city of the U.S. state of Texas, as well as the seat and largest city of Travis County, with portions extending into Hays and Williamson counties. Incorporated on December 27, 1839, it is the 11th-most-populous city ...
, and
El Paso El Paso (; "the pass") is a city in and the seat of El Paso County in the western corner of the U.S. state of Texas. The 2020 population of the city from the U.S. Census Bureau was 678,815, making it the 23rd-largest city in the U.S., the s ...
(not
San Antonio ("Cradle of Freedom") , image_map = , mapsize = 220px , map_caption = Interactive map of San Antonio , subdivision_type = Country , subdivision_name = United States , subdivision_type1= U.S. state, State , subdivision_name1 = Texas , s ...
, ranked third, and Hidalgo County in the
Rio Grande Valley The Lower Rio Grande Valley ( es, Valle del Río Grande), commonly known as the Rio Grande Valley or locally as the Valley or RGV, is a region spanning the border of Texas and Mexico located in a floodplain of the Rio Grande near its mouth. The ...
, ranked fifth). Vehicles more than 2 model years old and up to 24 model years old are subjected to the annual emission tests (pre-OBDII automobiles registered in the Houston Metro area and DFW Metroplex are tested using the accelerated simulation mode while four-wheel drive/all wheel drive automobiles, light trucks, vans, and SUVs over 8500GVW, continue to use the two-speed idle test (Travis/Williamson and El Paso Counties use the TSI test for pre-1996) – anything over 25 model years old – including those registered as an antique or classic, are exempted from emission testing. Motorcycles and diesel vehicles are exempt from any state emissions testing. * Utah – All vehicles registered in
Davis Davis may refer to: Places Antarctica * Mount Davis (Antarctica) * Davis Island (Palmer Archipelago) * Davis Valley, Queen Elizabeth Land Canada * Davis, Saskatchewan, an unincorporated community * Davis Strait, between Nunavut and Gre ...
,
Salt Lake A salt lake or saline lake is a landlocked body of water that has a concentration of salts (typically sodium chloride) and other dissolved minerals significantly higher than most lakes (often defined as at least three grams of salt per litre). ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
and Weber counties with model years less than six years old are required to have an emission test once every two years and Vehicles with model years six years old and older (to 1967) must have an emission test every year. Emission certificates are not required for vehicles with model years 1967 or older. All vehicles registered in
Cache Cache, caching, or caché may refer to: Places United States * Cache, Idaho, an unincorporated community * Cache, Illinois, an unincorporated community * Cache, Oklahoma, a city in Comanche County * Cache, Utah, Cache County, Utah * Cache County ...
County with model years six years old and greater that have even-numbered model years, must have an emission test in even number years, and vehicles with odd-numbered model years must have an emission test in odd-numbered years. Vehicles with model years 1968 or older do not require an emission test. * Vermont – annually, done at time of State Inspection 1996 and new with OBDII, some cars are exempt * Virginia – biennially, in conjunction with registration renewal, required only in urban and suburban jurisdictions in
Northern Virginia Northern Virginia, locally referred to as NOVA or NoVA, comprises several counties and independent cities in the Commonwealth of Virginia in the United States. It is a widespread region radiating westward and southward from Washington, D.C. Wit ...
. Newly registered vehicles with a valid inspection from another state are NOT exempt from inspection until the out-of-state inspection expires. A vehicle registered in Virginia must have a Virginia safety inspection. * Wisconsin – biennially, required only in
Kenosha County Kenosha County is located in the southeastern corner of the U.S. state of Wisconsin. The population was 169,151 as of the 2020 census, making it the eighth most populous county in Wisconsin. The county shares the same name as the city of Kenosh ...
,
Milwaukee County Milwaukee County is located in the U.S. state of Wisconsin. At the 2020 census, the population was 939,489, down from 947,735 in 2010. It is both the most populous and most densely populated county in Wisconsin, and the 45th most populous coun ...
,
Ozaukee County Ozaukee County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 91,503. Its county seat is Port Washington, making it one of three Wisconsin counties on Lake Michigan not to have a county seat with the same ...
,
Racine County Racine County (, sometimes also ) is a county in southeastern Wisconsin. As of the 2020 census, its population was 197,727, making it Wisconsin's fifth-most populous county. Its county seat is Racine. The county was founded in 1836, then a par ...
,
Sheboygan County Sheboygan County is a county in the U.S. state of Wisconsin. It is named after the Sheboygan River. As of the 2020 census, the population was 118,034. Its county seat is Sheboygan. The county was created in 1836 and organized in 1846. At th ...
, Washington County, and
Waukesha County Waukesha County () is a county in the U.S. state of Wisconsin. As of the 2020 United States Census, the population was 406,978, making it the third-most populous county in Wisconsin. Its county seat and largest city is Waukesha. Waukesha Co ...
. Vehicles manufactured before 1996 are exempt from testing.


Require VIN inspection

* California – Required when registering an out-of-state vehicle * Colorado – Required when registering an out-of-state vehicle * Connecticut – Required when registering an out-of-state vehicle * Florida – Required when registering an out-of-state vehicle * Idaho – Required when registering an out-of-state vehicle * Illinois – The main VIN tag is inspected at emissions testing stations. If the VIN tag is not acceptable or is missing, the vehicle is "rejected" for emissions testing. Emissions testing is required biennially only for vehicles registered in specific counties and zip codes (see above). * Indiana – required when registering an out of state vehicle * Kansas – Required when registering an out-of-state vehicle * Kentucky – Required when registering an out-of-state vehicle * Maine – Required to match VIN with registration as part of the annual safety inspection. A tracing verification of the VIN is not part of the inspection. * Missouri – Required when registering an out-of-state vehicle *Nebraska – Required when registering an out-of-state, rebuilt, or salvage title vehicle * Nevada – Required when registering an out-of-state vehicle for the first time in the state * New Mexico – Required when registering an out-of-state vehicle * Ohio – Required when registering an out-of-state vehicle * Oklahoma – Required when registering an out-of-state vehicle * Oregon – Required when registering an out-of-state or new-to-Oregon vehicle. * Pennsylvania – Required as part of the annual safety inspection. The inspection procedure only requires checking the main VIN tag. A tracing or visual verification of the VIN by an inspection mechanic or notary is also required when registering an out-of-state vehicle. * Rhode Island – Required when registering an out-of-state vehicle * Tennessee - Required when registering vehicles with salvage titles that have been declared rebuilt. * Texas – Required when registering an out-of-state vehicle; however, the VIN is inspected as part of the required safety inspection, so no additional effort is required. * Utah - Required when registering an out-of-state vehicle * Vermont – Required when registering out-of-state vehicle * Washington – Required only when registering an out-of-state vehicle for the first time in the state, or for rebuilt vehicles * Wyoming – Required when registering an out-of-state vehicle


No safety, emissions, or VIN inspections

* Alaska * Arkansas * Iowa * Michigan * Minnesota * Mississippi * Montana * North Dakota * South Carolina * South Dakota * Washington * Wyoming


Non-commercial vehicles

{{reflist, group=a


See also

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Vehicle inspection Vehicle inspection is a procedure mandated by national or subnational governments in many countries, in which a vehicle is inspected to ensure that it conforms to regulations governing safety, emissions, or both. Inspection can be required at va ...
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Under vehicle inspection An under-vehicle inspection (UVI) system generally consists of imaging systems mounted on a roadway and used at facility access points, particularly at secure facilities. An under-vehicle inspection system is used to detect threats—such as bombs� ...
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Automobile safety Automotive safety is the study and practice of design, construction, equipment and regulation to minimize the occurrence and consequences of traffic collisions involving motor vehicles. Road traffic safety more broadly includes roadway design. ...


References

Car Inspection Requirements By State


External links


CITA-Vehicle Inspection.org
Automotive safety Road transport Car costs
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...