FMCSA · Safety Measurement System register · Oklahoma

Hazardous Materials Compliance in Oklahoma

• 893Violations recorded
• 26,338Registered carriers in the state
• 4,840State inspections addressing it

Packaging, placarding and handling of hazardous materials. Oklahoma carries 893 violations in this category, out of 42,552 recorded nationally, which places it 9 of 51 jurisdictions the register covers. Its share of the national figure is 0.021 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 14,232
• 2 to 5 power units 8,687
• 6 to 20 power units 2,062
• 21 to 100 power units 534
• 101 to 1,000 power units 75
• 1,000 or more power units 24

Other categories recorded in Oklahoma

• Controlled Substances/Alcohol 262
• Crash Indicator 4,574
• Driver Fitness 3,916
• Hours-of-Service Compliance 4,788
• Unsafe Driving 7,771
• Vehicle Maintenance 49,068

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

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.