Velarion Records

FMCSA · Safety Measurement System register · Alabama

Controlled Substances/Alcohol in Alabama

Driving under the influence of drugs or alcohol. Alabama carries 306 violations in this category, out of 14,736 recorded nationally, which places it 18 of 51 jurisdictions the register covers. Its share of the national figure is 0.021 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

Other categories recorded in Alabama

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

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 the Alabama Controlled Substances/Alcohol category of the FMCSA Safety Measurement System register, listing Driving under the influence of drugs or alcohol. It records 306 violations in Alabama and 14,736 recorded nationally, with 33,702 registered carriers in the state and 89,496 state inspections. The state's carriers by fleet size are 18,569 with 1 power unit, 11,219 with 2 to 5 power units, 2,315 with 6 to 20 power units, 519 with 21 to 100 power units, 109 with 101 to 1,000 power units, and 23 with 1,000 or more power units.