FMCSA · Safety Measurement System register · Wisconsin

Hazardous Materials Compliance in Wisconsin

• 505Violations recorded
• 63,656Registered carriers in the state
• 3,227State inspections addressing it

Packaging, placarding and handling of hazardous materials. Wisconsin carries 505 violations in this category, out of 42,552 recorded nationally, which places it 22 of 51 jurisdictions the register covers. Its share of the national figure is 0.012 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 4.5.

The state’s carriers by fleet size

• 1 power unit 35,825
• 2 to 5 power units 19,546
• 6 to 20 power units 4,657
• 21 to 100 power units 1,085
• 101 to 1,000 power units 178
• 1,000 or more power units 39

Other categories recorded in Wisconsin

• Controlled Substances/Alcohol in WI 205
• Crash Indicator in WI 4,372
• Driver Fitness in WI 4,845
• Hours-of-Service Compliance in WI 5,651
• Unsafe Driving in WI 16,467
• Vehicle Maintenance in WI 80,998

Hazardous Materials Compliance across every jurisdiction → Every category in Wisconsin →

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.