If a vehicle’s GVWR plate and/or VIN number are missing but its actual gross weight is 10,001 pounds or more, may an enforcement officer use the latter instead of GVWR to determine the applicability of the FMCSRs?

Question 3: If a vehicle’s GVWR plate and/or VIN number are missing but its actual gross weight is 10,001 pounds or more, may an enforcement officer use the latter instead of GVWR to determine the applicability of the FMCSRs?

Guidance: Yes. A vehicle is a “commercial motor vehicle”...

Is a vehicle used to transport or tow an anhydrous ammonia nurse tank considered a CMV and subject to FMCSRs?

Is a vehicle used to transport or tow anhydrous ammonia nurse tank considered a CMV and subject to FMCSRs?

Guidance: Yes, provided the vehicle is not an off-road vehicle, its GVWR or GCWR meets or exceeds that of a CMV as defined in § 390.5, and/or the vehicle transports HM in a...

Do the definitions of "farm", "farmer" and "agricultural crops" apply to greenhouse operations?

Question 1: Do the definitions of "farm", "farmer" and "agricultural crops" apply to greenhouse operations?

Guidance: FMCSA published an NPRM to clarify the meaning of “agricultural commodity” in § 395.1(k) [84 FR 36559, July 29, 2019]. This question will be addressed in that...

Section 390.3T(f)(5) provides an exemption from the FMCSRs for the operation of fire trucks and rescue vehicles while such vehicles are being used in emergency and related operations. What is meant by the phrase “fire trucks and rescue vehicles?

Section 390.3T(f)(5) provides an exemption from the FMCSRs for the operation of fire trucks and rescue vehicles while such vehicles are being used in emergency and related operations. What is meant by the phrase “fire trucks and rescue vehicles?

Guidance: For the purposes of § 390.3T(f...

Is the operation of motor vehicles designed or used to transport between 9 and 15 passengers (including the driver), in interstate commerce, by private firefighting companies transporting their employees subject to the FMCSRs?

Question 28: Is the operation of motor vehicles designed or used to transport between 9 and 15 passengers (including the driver), in interstate commerce, by private firefighting companies transporting their employees subject to the FMCSRs?

Guidance: No. Although the 9- to 15-passenger...

Section 390.3T(f)(5) provides an exemption from the FMCSRs for the operation of fire trucks and rescue vehicles while such vehicles are being used in emergency and related operations. What is meant by the phrase “emergency and related operations?”

Section 390.3T(f)(5) provides an exemption from the FMCSRs for the operation of fire trucks and rescue vehicles while such vehicles are being used in emergency and related operations. What is meant by the phrase “emergency and related operations?”

Guidance: The term “emergency,” as...

Does § 390.23 create an exemption from the FMCSRs each and every time the delivery of electricity is interrupted, no matter how isolated or minor the occurrence?

Question 1: Does § 390.23 create an exemption from the FMCSRs each and every time the delivery of electricity is interrupted, no matter how isolated or minor the occurrence?

Guidance: The rule creates an exemption from the FMCSRs when interruptions of electricity are severe enough...

What is the applicability of the FMCSRs to motor carriers owning and operating school buses that contract with a municipality to provide pupil transportation services?

What is the applicability of the FMCSRs to motor carriers owning and operating school buses that contract with a municipality to provide pupil transportation services?

Guidance: For the purposes of the FMCSRs, parts 390-399, ‘‘school bus operation’’ means the use of a school bus to...

Regulatory Guidance Concerning the Preparation of Drivers’ Record of Duty Status to Document Compliance with the Hours-of-Service Requirement, 75 FR 32860 (June 10, 2010)

The FMCSA announces regulatory guidance concerning the requirement for interstate commercial motor vehicle (CMV) drivers to prepare, in duplicate, a record of duty status for each 24-hour period. FMCSA has determined that the current requirement may be satisfied through the preparation of...

Regulatory Guidance Concerning Applicability of the Federal Motor Carrier Safety Regulations to Mobile Cranes Operated in Interstate Commerce

The FMCSA announces a revision of the regulatory guidance concerning the applicability of the Federal Motor Carrier Safety Regulations (FMCSRs) to mobile cranes operated in interstate commerce. The regulatory guidance is presented in a question-and-answer format. The guidance is generally...