FMCSA · Safety Measurement System register · Missouri

Hazardous Materials Compliance in Missouri

• 1,628Violations recorded
• 24,575Registered carriers in the state
• 8,818State inspections addressing it

Packaging, placarding and handling of hazardous materials. Missouri carries 1,628 violations in this category, out of 42,552 recorded nationally, which places it 4 of 51 jurisdictions the register covers. Its share of the national figure is 0.038 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 12,356
• 2 to 5 power units 7,727
• 6 to 20 power units 2,564
• 21 to 100 power units 699
• 101 to 1,000 power units 135
• 1,000 or more power units 27

Other categories recorded in Missouri

• Controlled Substances/Alcohol 343
• Crash Indicator 7,898
• Driver Fitness 6,469
• Hours-of-Service Compliance 24,161
• Unsafe Driving 9,341
• Vehicle Maintenance 113,425

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

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.