The Custody and Control Form for a pre-employment DOT test mistakenly indicated that the test was conducted pursuant to the Federal Railroad Administration’s (FRA) authority. The form should have indicated that the employee was a CDL-driver, being tested

Guidance on whether identifying the wrong DOT mode on the Custody and Control Form for a pre-employment test would result in the test being cancelled and recollection required.

Question: The Custody and Control Form for a pre-employment DOT test mistakenly indicated that the test was...

ELD FAQ 57: Electronic Logging Devices and Hours of Service – Technical Specifications

NOTE: This guidance was rescinded on March 10, 2022, and is no longer in effect.  Please see revised guidance FMCSA-HOS-ELD-TECH-395-FAQ57(2022-03-10).

FMCSA-HOS-ELD-TECH-395-FAQ57

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Is a warning device required in a Commercial Motor Vehicle (CMV) with a single hydraulic brake system which uses the driveline parking brake as the emergency brake system?

Section § 393.51: Warning signals, air pressure and vacuum gauges.

Question 4: Is a warning device required in a Commercial Motor Vehicle (CMV) with a single hydraulic brake system which uses the driveline parking brake as the emergency brake system?

...

Are vacuum gauges required on the vacuum portion of vacuum-assisted hydraulic brakes?

Section § 393.51: Warning signals, air pressure and vacuum gauges.

Question 3: Are vacuum gauges required on the vacuum portion of vacuum-assisted hydraulic brakes?

Guidance: No. Section 393.51(d)(2) requires only that CMVs with vacuum brakes (not...

ELD FAQ 56: Electronic Logging Devices and Hours of Service – Technical Specifications

NOTE: This guidance was rescinded on March 10, 2022, and is no longer in effect.  Please see revised guidance FMCSA-HOS-ELD-TECH-395-FAQ56(2022-03-10).

FMCSA-HOS-ELD-TECH-395-FAQ56

...

Is the vacuum portion of vacuum-assisted hydraulic brake systems required to have a warning device?

393.51: Warning signals, air pressure and vacuum gauges.

Question 2: Is the vacuum portion of vacuum-assisted hydraulic brake systems required to have a warning device?

Guidance: No. Only the hydraulic portion of vacuum-assisted hydraulic brake systems is...

Section 4.8.1.2 of 49 CFR part 395 subpart B, Appendix A requires that an electronic logging device (ELD) without a printer be designed so that “the display may be reasonably viewed by an authorized safety official without entering the commercial motor...

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-FAQ55(2017-09-01)-CORR1

Question: Section 4.8.1.2 of 49 CFR...

Is the low pressure warning device required to activate before the tractor protection valve?

Section § 393.51: Warning signals, air pressure and vacuum gauges.

Question 1: Is the low pressure warning device required to activate before the tractor protection valve?

Guidance: No. Section 393.51 does not explicitly require the warning device to...

Self-Admission of Alcohol Abuse Off-duty: A driver self admits to a company official they are abusing alcohol off-duty only. Is this a violation of part 382, and does this trigger a DOT SAP evaluation?

Guidance on the consequences of a driver’s the self-admission of off-duty alcohol abuse.

Self-Admission of Alcohol Abuse Off-duty: A driver self admits to a company official they are abusing alcohol off-duty only. Is this a violation of part 382, and does this trigger a...

What is the focus of the HMSP Program Improvement Policy change?

FAQ 13: What is the focus of the HMSP Program Improvement Policy change?

Answer: The policy focuses specifically on the use of Safety Measurement System (SMS) data to continually monitor HMSP carrier performance and to determine when an HMSP...