TruckCodex

Out-of-Service Rate by State

Inspection out-of-service rate comparison across U.S. states and Canadian provinces.

Inspection out-of-service rate comparison across U.S. states and Canadian provinces. OOS rate equals total OOS events divided by total inspections per jurisdiction.

Jurisdictions
51
Total Inspections
8,581,818
Total OOS Events
1,581,654
Overall OOS Rate
18.4%

States Ranked — Minimum 100 Inspections

Out-of-service share of all inspections per jurisdiction.

State Inspections OOS Events OOS Rate
California CA 1,388,334 211,445 15.2%
Texas TX 925,825 242,596 26.2%
North Carolina NC 340,617 44,924 13.2%
New York NY 329,255 67,024 20.4%
New Mexico NM 278,468 35,691 12.8%
Pennsylvania PA 269,689 48,322 17.9%
Tennessee TN 266,509 61,432 23.1%
Florida FL 266,110 45,857 17.2%
Maryland MD 252,448 53,638 21.3%
Georgia GA 220,552 34,905 15.8%
Illinois IL 218,000 17,993 8.3%
Ohio OH 201,511 34,780 17.3%
Washington WA 189,835 42,995 22.7%
Kentucky KY 177,840 38,112 21.4%
Arizona AZ 176,732 48,458 27.4%
Missouri MO 173,727 41,740 24.0%
South Carolina SC 165,809 31,943 19.3%
New Jersey NJ 157,237 25,688 16.3%
Indiana IN 152,962 23,128 15.1%
Alabama AL 147,435 27,730 18.8%
Arkansas AR 145,998 24,483 16.8%
Colorado CO 145,696 21,614 14.8%
Michigan MI 141,201 28,296 20.0%
Louisiana LA 118,458 18,041 15.2%
Iowa IA 115,666 24,778 21.4%
Mississippi MS 115,280 13,365 11.6%
Utah UT 111,464 19,274 17.3%
Kansas KS 111,358 14,421 13.0%
Oklahoma OK 109,842 20,676 18.8%
Wisconsin WI 95,271 23,145 24.3%
South Dakota SD 95,194 12,397 13.0%
Montana MT 93,022 13,888 14.9%
Minnesota MN 88,183 18,936 21.5%
Nebraska NE 80,181 10,405 13.0%
Virginia VA 79,116 14,553 18.4%
Massachusetts MA 78,055 14,765 18.9%
Nevada NV 74,467 11,172 15.0%
Oregon OR 68,028 19,491 28.6%
Connecticut CT 61,811 15,786 25.5%
West Virginia WV 60,202 7,667 12.7%
Maine ME 47,878 7,887 16.5%
Wyoming WY 43,260 13,659 31.6%
North Dakota ND 40,271 5,229 13.0%
Idaho ID 32,665 7,253 22.2%
Vermont VT 25,887 4,473 17.3%
Delaware DE 24,400 5,776 23.7%
New Hampshire NH 24,341 3,174 13.0%
Alaska AK 24,136 3,575 14.8%
District of Columbia DC 12,800 1,845 14.4%
Rhode Island RI 10,896 2,129 19.5%
Hawaii HI 7,896 1,100 13.9%

Methodology

How this dataset is derived.

OOS rate equals total OOS events divided by total inspections per jurisdiction. Source rows come from the FMCSA MCMIS Roadside Inspection table. Jurisdictions with fewer than 100 inspections are excluded to keep the rate statistically meaningful.

Temporal coverage
2010-01-01/..
Last updated

License: CC0 — Public Domain Dedication. Derived from public-domain federal data.

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Cite this dataset

Use one of the formats below to reference this research in your work.

Plain text

TruckCodex Research. 2026. "Out-of-Service Rate by State." Derived from FMCSA MCMIS Roadside Inspections. Accessed 2026-07-25. https://truckcodex.com/research/oos-by-state/

APA

TruckCodex Research. (2026). Out-of-Service Rate by State [Dataset]. TruckCodex. https://truckcodex.com/research/oos-by-state/

BibTeX
@misc{truckcodex_oos_by_state_2026,
  author       = {TruckCodex Research},
  title        = {Out-of-Service Rate by State},
  year         = {2026},
  howpublished = {TruckCodex},
  note         = {Derived from FMCSA MCMIS Roadside Inspections},
  url          = {https://truckcodex.com/research/oos-by-state/}
}

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Data sources & freshness

TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.

FMCSA

Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.

Refreshed daily.
NHTSA

Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).

Refreshed daily.
EIA

Retail diesel and gasoline price history and state fuel-tax tables.

Refreshed weekly.
Transport Canada

Cross-border carrier registry and Canadian recall campaigns where applicable.

Refreshed weekly.

TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.