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Compliance Risk Index / FMCSA

Vehicle Maintenance Violations

Data coverage: since 2023-01-01 ยท Source: FMCSA Safety Measurement System (SMS) input data
1,914,895
real violations recorded
5,861,940
total real inspections in dataset
32.7%
of inspections, this category
14.78%
out-of-service rate

1,914,895 real vehicle maintenance violations turn up in FMCSA's own Safety Measurement System input data since 2023-01-01, out of 5,861,940 total real roadside inspections โ€” about 32.7% of every real inspection recorded a violation in this BASIC category. 14.78% of those violations resulted in a real out-of-service order, pulling the vehicle or driver from the road on the spot.

Study DOT Vehicle Inspection โ†’
Other real FMCSA BASIC categories
Unsafe DrivingHours-of-Service ComplianceDriver FitnessHazardous Materials ComplianceControlled Substances/Alcohol
Source: US FMCSA Safety Measurement System (SMS) input data, since 2023-01-01. National only โ€” this extract carries no per-inspection state field. Full methodology and every other dataset: the Compliance Risk Index.

Frequently asked questions

How many Vehicle Maintenance violations does FMCSA record?
1,914,895 real violations since 2023-01-01, out of 5,861,940 total real roadside inspections in FMCSA's own Safety Measurement System input data -- about 32.7% of every inspection recorded a violation in this category.
What share of Vehicle Maintenance violations result in an out-of-service order?
14.78% of these violations resulted in a real out-of-service order, as recorded in FMCSA's own extract.
Does this data include state-level breakdowns?
No -- FMCSA's ingested extract carries no per-inspection state field, so this dataset is national-only.