FMCSA · Safety Measurement System register · South Dakota

Controlled Substances/Alcohol in South Dakota

• 127Violations recorded
• 6,105Registered carriers in the state
• 59,509State inspections addressing it

Driving under the influence of drugs or alcohol. South Dakota carries 127 violations in this category, out of 14,736 recorded nationally, which places it 38 of 51 jurisdictions the register covers. Its share of the national figure is 0.009 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 2,796
• 2 to 5 power units 2,318
• 6 to 20 power units 667
• 21 to 100 power units 173
• 101 to 1,000 power units 24
• 1,000 or more power units 1

Other categories recorded in South Dakota

• Crash Indicator 758
• Driver Fitness 1,559
• Hazardous Materials Compliance 201
• Hours-of-Service Compliance 7,155
• Unsafe Driving 1,565
• Vehicle Maintenance 21,542

Controlled Substances/Alcohol across every jurisdiction → Every category in South Dakota →

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.