FMCSA · Safety Measurement System register · Wyoming

Hazardous Materials Compliance in Wyoming

• 228Violations recorded
• 6,457Registered carriers in the state
• 954State inspections addressing it

Packaging, placarding and handling of hazardous materials. Wyoming carries 228 violations in this category, out of 42,552 recorded nationally, which places it 37 of 51 jurisdictions the register covers. Its share of the national figure is 0.005 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 3,118
• 2 to 5 power units 2,302
• 6 to 20 power units 674
• 21 to 100 power units 150
• 101 to 1,000 power units 8
• 1,000 or more power units 0

Other categories recorded in Wyoming

• Controlled Substances/Alcohol 266
• Crash Indicator 1,826
• Driver Fitness 3,089
• Hours-of-Service Compliance 8,218
• Unsafe Driving 2,523
• Vehicle Maintenance 28,850

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

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.