Transporting Hazardous Substances

This page covers the following topics:

  • Overview 
  • What are Hazardous Materials?
  • Who Must Comply with the Hazardous Materials Regulations?
  • How Do Employers Obtain a Hazardous Materials Permit?  
  • What Hazardous Materials Require a Hazardous Materials Safety Permit?
  • What are the Registration Requirements for Hazardous Materials Transportation?
  • How Do Employers Ensure Safe Hazardous Materials Transportation?
  • Additional Information 


The Department of Transportation (DOT) regulates the transportation of hazardous materials by requiring that certain motor carriers apply for and obtain a hazardous substances transportation permit, file annual registration statements,and observe placarding and training requirements.

What are Hazardous Materials?

Under DOT regulations, a hazardous material means a substance or material that is capable of posing an unreasonable risk to health, safety, and property when transported in commerce, and that has been designated as hazardous under federal hazardous materials transportation law.  

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