FMCSA · Safety Measurement System register · Tennessee

Controlled Substances/Alcohol in Tennessee

• 561Violations recorded
• 23,282Registered carriers in the state
• 176,891State inspections addressing it

Driving under the influence of drugs or alcohol. Tennessee carries 561 violations in this category, out of 14,736 recorded nationally, which places it 6 of 51 jurisdictions the register covers. Its share of the national figure is 0.038 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 12,172
• 2 to 5 power units 7,102
• 6 to 20 power units 2,082
• 21 to 100 power units 640
• 101 to 1,000 power units 144
• 1,000 or more power units 30

Other categories recorded in Tennessee

• Crash Indicator in TN 5,986
• Driver Fitness in TN 7,471
• Hazardous Materials Compliance in TN 532
• Hours-of-Service Compliance in TN 13,366
• Unsafe Driving in TN 20,057
• Vehicle Maintenance in TN 76,167

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

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

The page covers Tennessee Controlled Substances/Alcohol violations in the FMCSA Safety Measurement System register. It lists 561 violations recorded, 23,282 registered carriers in the state, and 176,891 state inspections.