FMCSA · Safety Measurement System register

Wisconsin motor carriers

• 63,656Registered carriers
• 66,869Inspections on file
• 4,372Reportable crashes
• 110Fatal crashes
• 16,429Inspections with an out-of-service order
• 4,517Hazardous materials inspections
• 149Hazmat carriers
• 728Passenger carriers

The census registers 63,656 motor carriers in Wisconsin, 149 of them carrying hazardous materials and 728 of them carrying passengers. Inspections recorded against carriers here number 66,869, 16,429 of which ended in an out-of-service order, and 4,372 reportable crashes, 110 of them fatal, are on file.

By category

• Controlled Substances/Alcohol 205 · 26 of 51 jurisdictions
• Crash Indicator 4,372 · 22 of 51 jurisdictions
• Driver Fitness 4,845 · 25 of 51 jurisdictions
• Hazardous Materials Compliance 505 · 22 of 51 jurisdictions
• Hours-of-Service Compliance 5,651 · 35 of 51 jurisdictions
• Unsafe Driving 16,467 · 15 of 51 jurisdictions
• Vehicle Maintenance 80,998 · 12 of 51 jurisdictions

Carriers by fleet size in Wisconsin

• 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

Carriers by the work they do

• Interstate 50,198
• Intrastate, hazardous materials 11,960
• Intrastate, non-hazardous 1,498

Towns the carriers are based in

Milwaukee (4,183) · Green Bay (1,409) · Madison (983) · Appleton (793) · Waukesha (691) · Eau Claire (626) · Janesville (556) · Oshkosh (512) · Kenosha (484) · Fond Du Lac (477) · Racine (440) · Wausau (418) · Manitowoc (395) · Chippewa Falls (390) · West Bend (384) · Kaukauna (371) · Watertown (371) · De Pere (357) · New Berlin (357) · Oak Creek (352) · Sheboygan (341) · Sturgeon Bay (321) · Menomonie (320) · Rice Lake (315) · Menomonee Falls (314)

Unsafe Driving is the category a broker is most often shown first. Every jurisdiction →

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. A category’s rank is the register’s own count for this jurisdiction set against the same count for the other jurisdictions on the desk, and the town names are the census’s own spelling.