If a driver operates with multiple commercial motor vehicles (CMVs), which CMV’s records must be included in the ELD file?

NOTE: This guidance reflects minor correction(s) (e.g., for grammar, typographical errors, or consistency) made on March 10, 2022.

FMCSA-HOS-ELD-TECH-395-FAQ71(2017-09-01)-CORR1

Question: If a driver operates with multiple commercial motor...

As specified in section 4.8.2.1.1 of 49 CFR part 395, subpart B, Appendix A, the electronic logging device (ELD) output file must have one line for co-driver information and one line for commercial motor vehicle (CMV) information. How can the ELD...

NOTE: This guidance reflects minor correction(s) (e.g., for grammar, typographical errors, or consistency) made on March 10, 2022.

FMCSA-HOS-ELD-TECH-395-FAQ70(2017-09-01)-CORR1

Question: As specified in section 4.8.2.1.1 of 49 CFR part 395, subpart B...

May a triangular-shaped flag or device be used by itself to mark an oversized load?

Section § 393.87: Warning flags on projecting loads.

Question 1: May a triangular-shaped flag or device be used by itself to mark an oversized load?

Guidance: No. However, nothing prohibits using a triangular-shaped flag in conjunction with the prescribed...

Is it necessary for drivers to enter their user credentials before starting the data transfer process?

NOTE: This guidance reflects minor correction(s) (e.g., for grammar, typographical errors, or consistency) made on March 10, 2022.

FMCSA-HOS-ELD-TECH-395-FAQ69(2017-09-01)-CORR1

Question: Is it necessary for drivers to enter their user credentials...

Does § 393.83 specify the type of exhaust system, vertical or horizontal, to be used on trucks or truck tractors?

Section § 393.83: Exhaust systems.

Question 2: Does § 393.83 specify the type of exhaust system, vertical or horizontal, to be used on trucks or truck tractors?

Guidance: No.

Will the Federal Motor Carrier Safety Administration (FMCSA) collect State enforcement agency data transfer capabilities/preferences?

NOTE: This guidance reflects minor correction(s) (e.g., for grammar, typographical errors, or consistency) made on March 10, 2022.

FMCSA-HOS-ELD-TECH-395-FAQ68(2017-09-01)-CORR1

Question: Will the Federal...

Is a heat shield mandatory on a vertical exhaust stack?

Section § 393.83: Exhaust systems.

Question 1: Is a heat shield mandatory on a vertical exhaust stack?

Guidance: No. However, § 393.83 requires the placement of the exhaust system in such a manner as to prevent the burning, charring, or damaging of the...

Management of Drug and Alcohol Testing: Does an employer have to join a consortium in order to have its drivers random drug tested or can the drug and alcohol program be managed by the employer?

Clarifies the need of employer with only one driver to join a consortium.

Management of Drug and Alcohol Testing: Does an employer have to join a consortium in order to have its drivers random drug tested or can the drug and alcohol program be managed by the employer?...

Are there established criteria in the FMCSRs to determine the minimum sound level of horns on CMVs?

Section § 393.81: Horn.

Question 2: Are there established criteria in the FMCSRs to determine the minimum sound level of horns on CMVs?

Guidance: No.

Do the FMCSRs specify what type of horn is to be used on a CMV?

Section § 393.81: Horn.

Question 1: Do the FMCSRs specify what type of horn is to be used on a CMV?

Guidance: No.