Hazardous Materials

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Roadside Inspections OOS Rates

This report is a breakdown of hazardous materials (HM) inspection out-of-service (OOS) violations and OOS violation rates and can be filtered by carrier domicile, material type, geographic area, and calendar or fiscal year. It displays Federal and State HM vehicle inspections by type in the last 5 years.
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Data Source: FMCSA's Motor Carrier Management Information System (MCMIS) data snapshot as of 2/28/2025, including current year-to-date information for CY 2025. The data presented above are accurate as of this date but are subject to updates as new or additional information may be reported to MCMIS following the snapshot date.