Glossary

• AOBRD - Automatic On-Board Recording Device. An electric, electronic, electromechanical, or mechanical device capable of recording a driver's duty status information accurately and automatically as required by CFR Section 395.15.
• CMV - Commercial Motor Vehicle. Generally, a vehicle used for transporting goods or paid passengers; see applicable regulations for the United States and Canada for the legal definition as it applies to Hours of Service regulations in each jurisdiction.
• Cycle - In Canada, the number of consecutive days during which a driver's on-duty time is accumulated. A cycle may be 7 days (Cycle 1) or 14 days (Cycle 2), at the discretion of the motor carrier.
• DVIR - Driver Vehicle Inspection Report(s). A DVIR is prepared by the driver listing any defect or deficiency discovered by or reported to the driver which would affect the safety of operation of the vehicle or result in its mechanical breakdown.
• ELD - Electronic Logging Device. A device or technology that automatically records a driver's driving time and facilitates the accurate recording of the driver's hours of service, and that meets the requirements of subpart B of CFR Section 395.
• FMCSA - Federal Motor Carrier Safety Administration. An administration within the USDOT that is responsible for enforcement of commercial vehicle safety regulations in the United States.
• HOS - Hours of Service. HOS regulations govern the working hours of anyone operating a commercial motor vehicle in commerce in the United States or Canada.
• Multiday Basis - In the United States, the number of consecutive days during which a driver's on-duty time is accumulated. The multiday basis may be 7 days or 8 days, depending whether the motor carrier operates vehicles every day of the week.
• Transport Canada - The department within the government of Canada that is responsible for regulating transportation in Canada.
• USDOT - United States Department of Transportation.