Compliance Risk Index / FMCSA
Controlled Substances/Alcohol Violations
Data coverage: since 2023-01-01 · Source: FMCSA Safety Measurement System (SMS) input data
12,993
real violations recorded
5,861,940
total real inspections in dataset
0.2%
of inspections, this category
not in this extract
out-of-service rate
12,993 real controlled substances/alcohol 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 — about 0.2% of every real inspection recorded a violation in this BASIC category. FMCSA's extract does not carry an out-of-service rate for this category.
Study DOT Reasonable Suspicion →Other real FMCSA BASIC categories
Source: US FMCSA Safety Measurement System (SMS) input data, since 2023-01-01. National only — this extract carries no per-inspection state field. Full methodology and every other dataset: the Compliance Risk Index.
Frequently asked questions
How many Controlled Substances/Alcohol violations does FMCSA record?
12,993 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 0.2% of every inspection recorded a violation in this category.
Does this data include state-level breakdowns?
No -- FMCSA's ingested extract carries no per-inspection state field, so this dataset is national-only.