Q. Where can I learn about Hours of Service (HOS)?


Hours of Service guide provided by the Federal Motor Carrier Safely Administration (FMCSA)

Questions? Contact FMCSA

  • Field Offices listed by state

  • Phone: 1-800-832-5660 (8:00 a.m. to 8:00 p.m. Eastern Time)

  • Send an Email

  • Chat with FMCSA Customer Service

  • Address: 

Federal Motor Carrier Safety Administration
1200 New Jersey Ave. SE
Washington, DC 20590
United States


  • Last Updated Jul 27, 2017
  • Views 26
  • Answered By David Martin

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