FMCSA · Safety Measurement System register · Maryland

Hazardous Materials Compliance in Maryland

• 583Violations recorded
• 42,485Registered carriers in the state
• 6,625State inspections addressing it

Packaging, placarding and handling of hazardous materials. Maryland carries 583 violations in this category, out of 42,552 recorded nationally, which places it 19 of 51 jurisdictions the register covers. Its share of the national figure is 0.014 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 24,152
• 2 to 5 power units 12,604
• 6 to 20 power units 2,854
• 21 to 100 power units 668
• 101 to 1,000 power units 93
• 1,000 or more power units 40

Other categories recorded in Maryland

• Controlled Substances/Alcohol 454
• Crash Indicator 4,372
• Driver Fitness 13,953
• Hours-of-Service Compliance 5,838
• Unsafe Driving 18,991
• Vehicle Maintenance 123,640

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

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.