FMCSA · Safety Measurement System register · Connecticut
Controlled Substances/Alcohol in Connecticut
- 130Violations recorded
- 20,725Registered carriers in the state
- 36,984State inspections addressing it
Driving under the influence of drugs or alcohol. Connecticut carries 130 violations in this category, out of 14,736 recorded nationally, which places it 37 of 51 jurisdictions the register covers. Its share of the national figure is 0.009 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 11,192
- 2 to 5 power units 6,707
- 6 to 20 power units 1,505
- 21 to 100 power units 296
- 101 to 1,000 power units 57
- 1,000 or more power units 18
Other categories recorded in Connecticut
- Crash Indicator in CT 2,880
- Driver Fitness in CT 4,574
- Hazardous Materials Compliance in CT 243
- Hours-of-Service Compliance in CT 4,549
- Unsafe Driving in CT 7,935
- Vehicle Maintenance in CT 49,155
Controlled Substances/Alcohol across every jurisdiction → Every category in Connecticut →
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 Controlled Substances/Alcohol violations in Connecticut from the FMCSA Safety Measurement System register. It lists 130 violations recorded in the state, 20,725 registered carriers in the state, 36,984 state inspections, and Connecticut's 14,736 recorded nationally. It also lists carriers by fleet size, from 11,192 with 1 power unit to 18 with 1,000 or more power units, and other categories recorded in Connecticut including Crash Indicator at 2,880 and Vehicle Maintenance at 49,155.