FMCSA · Safety Measurement System register · North Carolina

Controlled Substances/Alcohol in North Carolina

• 272Violations recorded
• 50,694Registered carriers in the state
• 213,091State inspections addressing it

Driving under the influence of drugs or alcohol. North Carolina carries 272 violations in this category, out of 14,736 recorded nationally, which places it 20 of 51 jurisdictions the register covers. Its share of the national figure is 0.018 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 27,997
• 2 to 5 power units 15,162
• 6 to 20 power units 3,813
• 21 to 100 power units 872
• 101 to 1,000 power units 173
• 1,000 or more power units 43

Other categories recorded in North Carolina

• Crash Indicator 8,955
• Driver Fitness 8,864
• Hazardous Materials Compliance 200
• Hours-of-Service Compliance 7,908
• Unsafe Driving 8,686
• Vehicle Maintenance 47,700

Controlled Substances/Alcohol across every jurisdiction → Every category in North Carolina →

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.