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Enforcement — DOT

The U.S. Department of Transportation (DOT) and equivalent agencies in each state use a variety of tools and processes to enforce federal and state transportation and hazardous materials safety regulations. Among those regulations are:

  • The Federal Motor Carrier Safety Regulations (FMCSRs) administered by the DOT’s Federal Motor Carrier Safety Administration (FMCSA), as found in 49 CFR 350 – 399, along with noise-emission standards found in Part 325.
  • The Hazardous Materials Regulations (HMRs) administered by the DOT’s Pipeline and Hazardous Materials Safety Administration (PHMSA), as found in Parts 100 – 180.
  • State DOT safety regulations applicable to motor carriers and drivers engaged in intrastate operations.