FMCSA · Safety Measurement System register · South Carolina
Controlled Substances/Alcohol in South Carolina
- 458Violations recorded
- 23,267Registered carriers in the state
- 109,229State inspections addressing it
Driving under the influence of drugs or alcohol. South Carolina carries 458 violations in this category, out of 14,736 recorded nationally, which places it 10 of 51 jurisdictions the register covers. Its share of the national figure is 0.031 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 13,760
- 2 to 5 power units 6,263
- 6 to 20 power units 1,449
- 21 to 100 power units 428
- 101 to 1,000 power units 59
- 1,000 or more power units 23
Other categories recorded in South Carolina
- Crash Indicator in SC 4,716
- Driver Fitness in SC 6,081
- Hazardous Materials Compliance in SC 1,280
- Hours-of-Service Compliance in SC 11,868
- Unsafe Driving in SC 17,217
- Vehicle Maintenance in SC 76,507
Controlled Substances/Alcohol across every jurisdiction → Every category in South 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.
What this page shows
This page covers Controlled Substances/Alcohol violations in South Carolina from the FMCSA Safety Measurement System register. It lists 458 violations recorded, 23,267 registered carriers in the state, and 109,229 state inspections addressing it, out of 14,736 recorded nationally. The page places South Carolina at 10 of 51 jurisdictions with a share of the national figure of 0.031 as a fraction.