FMCSA · Safety Measurement System register · Mississippi

Hazardous Materials Compliance in Mississippi

• 138Violations recorded
• 11,364Registered carriers in the state
• 3,839State inspections addressing it

Packaging, placarding and handling of hazardous materials. Mississippi carries 138 violations in this category, out of 42,552 recorded nationally, which places it 43 of 51 jurisdictions the register covers. Its share of the national figure is 0.003 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 6,514
• 2 to 5 power units 3,181
• 6 to 20 power units 910
• 21 to 100 power units 220
• 101 to 1,000 power units 57
• 1,000 or more power units 11

Other categories recorded in Mississippi

• Controlled Substances/Alcohol 570
• Crash Indicator 2,597
• Driver Fitness 3,421
• Hours-of-Service Compliance 10,419
• Unsafe Driving 6,441
• Vehicle Maintenance 23,924

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

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.