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Hazardous Materials (HM) - Overview


The mission of the Federal Motor Carrier Safety Administration (FMCSA) is to improve truck and bus safety on our nation's highways. In addition, FMCSA seeks to reduce HM security risks that could potentially harm the public and environment.

Developing programs to accomplish these goals is the responsibility of the FMCSA Hazardous Materials Program.

For information regarding FMCSA’s HM goals, regulations, permits, training, security, etc.; please visit FMCSA’s HM site at:

Summary of HM Activity

Click on any state to view the activity at the state level or the small map of the nation at the upper right for national figures.

USA Map Alaska Washington Oregon California Idaho Utah Nevada Arizona New Mexico Colorado Wyoming Montana North Dakota South Dakota Nebraska Kansas Oklahoma Wisconsin Texas Minnesota Illinois Iowa Missouri Arkansas Louisiana Mississippi Tennessee Michigan Indiana Kentucky Alabama Ohio West Virginia Virginia North Carolina South Carolina Georgia Florida Pennsylvania Maryland New Jersey New York Delaware Connecticut Rhode Island Vermont New Hampshire Massachusetts Maine Vermont New Hampshire Massachusetts Rhode Island Connecticut New Jersey Delaware Maryland District of Columbia American Samoa Guam Northern Marianas Puerto Rico Virgin Islands Hawaii

HM Activity by Type (National)FY 2013
TotalOOS Rate
Number of Hazardous Material Carriers82,399n/a
Number of Hazardous Material Shippers17,035n/a
Number of Hazardous Material Carrier/Shipper12,038n/a
Number of Cargo Tank Registrants1,585n/a
Total Reviews3,425n/a
Total Security Contact Reviews715n/a
Roadside Inspections
Driver Inspections*199,2792.34%
Vehicle Inspections**180,94013.48%
Hazmat Inspections***201,9363.90%
A variety of historical and annual reports are available for each of these programs by using the links on the navigation panel to the left.
* Driver Inspections were computed based on inspections level I, II, III, and VI.
** Vehicle Inspections were computed based on inspections level I, II, V, and VI.
*** Hazmat Inspections were computed based on inspections level I, II, III, IV, V, and VI when HM is present.
Data Source: FMCSA Motor Carrier Management Information System (MCMIS) data snapshot as of 3/28/2014. The data presented above are accurate as of this date, but are subject to update as new or additional information may be reported to MCMIS following the snapshot date.
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