FMCSA · Safety Measurement System register · Wisconsin

Vehicle Maintenance in Wisconsin

• 80,998Violations recorded
• 63,656Registered carriers in the state
• 47,911State inspections addressing it

Brakes, lights, tyres and the rest of the mechanical condition of the vehicle. Wisconsin carries 80,998 violations in this category, out of 5,090,851 recorded nationally, which places it 12 of 51 jurisdictions the register covers. Its share of the national figure is 0.016 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 3.8.

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
• Hazardous Materials Compliance in WI 505
• Hours-of-Service Compliance in WI 5,651
• Unsafe Driving in WI 16,467

Vehicle Maintenance 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.

What this page shows

This page prints the Wisconsin Vehicle Maintenance portion of the FMCSA Safety Measurement System register, covering brakes, lights, tyres and the rest of the mechanical condition of the vehicle. It lists 80,998 violations recorded, 63,656 registered carriers in the state, and 47,911 state inspections addressing it, out of 5,090,851 recorded nationally, placing at 12 of 51 jurisdictions the register covers, with a national average severity weight of 3.8 for a violation in this category. It also lists 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, and 1,000 or more power units 39.