FMCSA · Safety Measurement System register · Ohio

Controlled Substances/Alcohol in Ohio

• 415Violations recorded
• 48,287Registered carriers in the state
• 124,345State inspections addressing it

Driving under the influence of drugs or alcohol. Ohio carries 415 violations in this category, out of 14,736 recorded nationally, which places it 12 of 51 jurisdictions the register covers. Its share of the national figure is 0.028 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 23,959
• 2 to 5 power units 14,447
• 6 to 20 power units 5,096
• 21 to 100 power units 1,650
• 101 to 1,000 power units 329
• 1,000 or more power units 51

Other categories recorded in Ohio

• Crash Indicator 9,296
• Driver Fitness 5,435
• Hazardous Materials Compliance 1,923
• Hours-of-Service Compliance 11,793
• Unsafe Driving 11,156
• Vehicle Maintenance 77,601

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

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.