FMCSA · Safety Measurement System register · Arizona
Controlled Substances/Alcohol in Arizona
- 466Violations recorded
- 29,841Registered carriers in the state
- 107,532State inspections addressing it
Driving under the influence of drugs or alcohol. Arizona carries 466 violations in this category, out of 14,736 recorded nationally, which places it 9 of 51 jurisdictions the register covers. Its share of the national figure is 0.032 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 16,803
- 2 to 5 power units 8,486
- 6 to 20 power units 2,299
- 21 to 100 power units 670
- 101 to 1,000 power units 140
- 1,000 or more power units 32
Other categories recorded in Arizona
- Crash Indicator in AZ 4,716
- Driver Fitness in AZ 8,271
- Hazardous Materials Compliance in AZ 1,586
- Hours-of-Service Compliance in AZ 44,984
- Unsafe Driving in AZ 18,249
- Vehicle Maintenance in AZ 177,896
Controlled Substances/Alcohol across every jurisdiction → Every category in Arizona →
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 Arizona Controlled Substances/Alcohol violations in the FMCSA Safety Measurement System register. It lists 466 violations recorded in Arizona, out of 14,736 recorded nationally, with a national average severity weight of 8.55 for this category. It also lists 29,841 registered carriers in the state and 107,532 state inspections addressing it.