State
Periodic safety
inspections
Periodic emissions inspections
Alabama
no
no
Alaska
no
no
Arizona
no
biennially for Phoenix and Tucson metros
Arkansas
no
no
California
no
biennially for cars from out-of-state or in-state cars 7 or more years old
in all or some zip codes in 41 of 58 counties
Colorado
no
biennially in all or parts of 9 out of 64 counties, except for vehicles 7
model years old and newer
Connecticut
no
biennially
Delaware
biennially
biennially
District of
Columbia
no
biennially
Florida
no
no
Georgia
no
annually for Atlanta metro
Hawaii
annually
no
Idaho
no
no – (since July 1, 2023[59])
Illinois
no
biennially for Chicago and St. Louis metros (1996 model year and
newer)
Indiana
no
biennially for Lake and Porter counties
Iowa
no
no
Kansas
no
no
Kentucky
no
no
Louisiana
annually[a 1]/biennially
annually for Baton Rouge metro
Maine
annually
annually (for Cumberland County only)
Maryland
no
biennially for 13 of 23 counties and Baltimore
Massachusetts
annually
annually
Michigan
no
no
Minnesota
no
no
Mississippi
no
no
Missouri
biennially
biennially for St. Louis metro
Montana
no
no
Nebraska
no
no
Nevada
no
annually for urban areas of Clark and Washoe counties for most
vehicles
Non-commercial vehicles
New Hampshire
no
no
New Jersey
no
exempt for first five years, then biennially
New Mexico
no
biennially for Bernalillo county only
New York
annually
annually
North Carolina
annually
annually for 19/100 counties
North Dakota
no
no
Ohio
no
odd/even for Cleveland metro
Oklahoma
no
no
Oregon
no
yes for Portland and Medford metros
Pennsylvania
annually
annually in 25 of 67 counties
Rhode Island
biennially
biennially
South Carolina
no
no
South Dakota
no
no
Tennessee
no
no – (since February 5, 2022[60])
Texas
no
annually for large urban areas
Bexar County (San Antonio) emissions testing beginning
on November 1, 2026
Utah
no
yes for five subjected counties
Vermont
annually
annually
Virginia
annually
biennially for urban and suburban northern Virginia
Washington
no
no – (since Jan 1, 2020 [61])
West Virginia
biennially
no
Wisconsin
no
biennially for select counties
Wyoming
no
no
1. New Orleans requires a "brake tag". In addition to the state requirements, if the vehicle is
registered in New Orleans, the brakes must be tested annually with a short stop test.
Vehicle inspection
Under vehicle inspection
Automobile safety
Car Inspection Requirements By State (https://www.partsgeek.com/mmparts/car_inspection_requir
ements_by_state_a_compendium.html)
See also
References