FMCSA · Safety Measurement System register · Kentucky

Controlled Substances/Alcohol in Kentucky

• 185Violations recorded
• 42,274Registered carriers in the state
• 113,726State inspections addressing it

Driving under the influence of drugs or alcohol. Kentucky carries 185 violations in this category, out of 14,736 recorded nationally, which places it 29 of 51 jurisdictions the register covers. Its share of the national figure is 0.013 as a fraction, banked by the build rather than turned into a ratio here. Nationally, a violation in this category carries an average severity weight of 8.55.

The state’s carriers by fleet size

• 1 power unit 24,578
• 2 to 5 power units 13,291
• 6 to 20 power units 2,525
• 21 to 100 power units 573
• 101 to 1,000 power units 68
• 1,000 or more power units 18

Other categories recorded in Kentucky

• Crash Indicator 5,357
• Driver Fitness 5,095
• Hazardous Materials Compliance 267
• Hours-of-Service Compliance 6,334
• Unsafe Driving 10,271
• Vehicle Maintenance 61,765

Controlled Substances/Alcohol across every jurisdiction → Every category in Kentucky →

Figures from the federal source files: EPA’s ECHO downloads, CMS provider files and the FMCSA census.

Counts from FMCSA SMS input files on data.transportation.gov: kjg3-diqy (Motor Carrier Census, 2,122,441 rows), rbkj-cgst (Inspection, 5,834,148), 8mt8-2mdr (Violation, 6,808,260), 4wxs-vbns (Crash, 255,582), p2mt-9ige (Out of Service Orders, 399,600); SoQL aggregates fetched 2026-09-16. The rank is taken over the jurisdictions this desk publishes, and the national figure beside it is the register’s own total for the category.