What are carriers required to do to obtain and keep a Hazardous Materials Safety Permit?

FAQ 6: What are carriers required to do to obtain and keep a Hazardous Materials Safety Permit?

Answer: Carriers will be required to:

Is Anhydrous Ammonia covered under the Hazardous Materials Safety Permit Program?

FAQ 5: Is Anhydrous Ammonia covered under the Hazardous Materials Safety Permit Program?

Answer: Due to Anhydrous Ammonia (ammonia, anhydrous) having both international and domestic entries in the Hazardous Materials Table (HMT) (See 49 CFR § 172.101), considerations must be made...

Are unladen converter dollies covered by the exemption in § 393.42(b)(2)?

Section § 393.42: Brakes required on all wheels.

Question 2: Are unladen converter dollies covered by the exemption in § 393.42(b)(2)?

Guidance: Yes. However, if the converter dolly is laden, the brakes must be operable.

Can a Canada/Mexico-domiciled motor carrier’s driver use a portable ELD unit, smartphone, or other wireless device as an ELD when operating in the United States (U.S.)?

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-FAQ74(2018-03-05)-CORR1

Question: Can a Canada/Mexico-domiciled...

Does a driver, employed full time by one motor carrier using the 60-hours in 7-days rule, and part-time by another motor carrier using the 70-hours in 8-days rule, have the option of using either rule in computing his hours of service?

Hours of Service Maximum Driving Time

§395.3 Maximum driving time for property-carrying vehicles.  

Question 2: Does a driver, employed full time by one motor carrier using the 60-hours in 7-days rule, and part-time by another motor carrier using the...

Do retractable or lift axles have to be equipped with brakes?

Section § 393.42: Brakes required on all wheels.

Question 1: Do retractable or lift axles have to be equipped with brakes?

Guidance: Yes, when the wheels are in contact with the roadway.

What Hazardous Materials require a Hazardous Materials Safety Permit?

FAQ 4: What Hazardous Materials require a Hazardous Materials Safety Permit?

Answer: The following hazardous materials carried in these quantity amounts will require an HM Safety Permit:

Actual Knowledge – traffic citation: Would a document, other than a traffic citation, charging an employee-driver with operating a CMV while under the influence of drugs or alcohol provide a sufficient basis for the employer’s actual knowledge, as defined

Guidance on what charging documents provide a sufficient basis for the employer’s actual knowledge.

Actual Knowledge – traffic citation: Would a document, other than a traffic citation, charging an employee-driver with operating a CMV while under the influence of drugs or...

May a motor carrier switch from a 60-hour/7-day limit to a 70-hour/8-day limit or vice versa?

Hours of Service Maximum Driving Time

§395.3 Maximum driving time for property-carrying vehicles.  

Question 1: May a motor carrier switch from a 60-hour/7-day limit to a 70-hour/8-day limit or vice versa?

Guidance: Yes. The only restriction...

Does § 393.41 prohibit air brake systems from being equipped with a means to release the spring brakes for purposes of towing disabled vehicles in emergency situations?

Section § 393.41: Parking brake systems.

Question 2: Does § 393.41 prohibit air brake systems from being equipped with a means to release the spring brakes for purposes of towing disabled vehicles in emergency situations?

Guidance: No, provided the brakes are designed and...