FMCSA · Safety Measurement System register · California
Controlled Substances/Alcohol in California
- 475Violations recorded
- 316,711Registered carriers in the state
- 758,493State inspections addressing it
Driving under the influence of drugs or alcohol. California carries 475 violations in this category, out of 14,736 recorded nationally, which places it 8 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 179,215
- 2 to 5 power units 47,583
- 6 to 20 power units 12,515
- 21 to 100 power units 3,436
- 101 to 1,000 power units 508
- 1,000 or more power units 156
Other categories recorded in California
- Crash Indicator in CA 18,179
- Driver Fitness in CA 17,809
- Hazardous Materials Compliance in CA 2,806
- Hours-of-Service Compliance in CA 51,810
- Unsafe Driving in CA 51,987
- Vehicle Maintenance in CA 499,099
Controlled Substances/Alcohol across every jurisdiction → Every category in California →
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 California Controlled Substances/Alcohol violations in the FMCSA Safety Measurement System register, with 475 violations recorded and 316,711 registered carriers in the state. California's 475 violations are out of 14,736 recorded nationally, and the page lists 758,493 state inspections addressing the category. The state's carriers by fleet size include 179,215 with 1 power unit, 47,583 with 2 to 5 power units, 12,515 with 6 to 20 power units, 3,436 with 21 to 100 power units, 508 with 101 to 1,000 power units, and 156 with 1,000 or more power units.