Velarion Records

FMCSA · Safety Measurement System register · Indiana

Controlled Substances/Alcohol in Indiana

Driving under the influence of drugs or alcohol. Indiana carries 409 violations in this category, out of 14,736 recorded nationally, which places it 13 of 51 jurisdictions the register covers. Its share of the national figure is 0.028 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 Indiana

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

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 Indiana Controlled Substances/Alcohol records in the FMCSA Safety Measurement System register, with 409 violations recorded and 44,843 registered carriers in the state. Indiana carries 409 violations out of 14,736 recorded nationally, with a share of the national figure of 0.028 and an average national severity weight of 8.55 for this category. The state's carriers by fleet size are 23,059 with 1 power unit, 14,884 with 2 to 5 power units, 4,001 with 6 to 20 power units, 1,051 with 21 to 100 power units, 185 with 101 to 1,000 power units, and 29 with 1,000 or more power units.