Does the FMCSA include the Space Cargo Transportation System (SCTS) off-road motorized military equipment under the definitions of “motor vehicle” and “commercial motor vehicle” as used in § 383.5?

§383.3 - Applicability  

Question 14: Does the FMCSA include the Space Cargo Transportation System (SCTS) off-road motorized military equipment under the definitions of “motor vehicle” and “commercial motor vehicle” as used in § 383.5?

Are State, county and municipal workers operating CMVs required to obtain CDLs?

§383.3 - Applicability  

Question 8: Are State, county and municipal workers operating CMVs required to obtain CDLs?

Guidance: Yes, unless they are waived by the State under the firefighting and emergency equipment exemption in § 383....

Does a driver of either a tractor trailer or a straight truck that is converted into a mobile office need a CDL?

§383.3 - Applicability  

Question 7: Does a driver of either a tractor trailer or a straight truck that is converted into a mobile office need a CDL?

Guidance: Yes, if the vehicle meets the definition of a CMV in § 383.5.

...

Do operators of motorized cranes and vehicles used to pump cement at construction sites have to meet the testing and licensing requirements of the CDL program?

§383.3 - Applicability  

Question 5: Do operators of motorized cranes and vehicles used to pump cement at construction sites have to meet the testing and licensing requirements of the CDL program?

Guidance: Yes, because such vehicles...

Do mechanics, shop help, and other occasional drivers need a CDL?

§383.3 - Applicability  

Question 2: Do mechanics, shop help, and other occasional drivers need a CDL?

Guidance: Yes, if the vehicle is a CMV and is operated or test-driven on a public highway.

Are crashes involving motorists striking attenuator trucks while the impact attenuators or crash cushions are deployed included within the definition of ‘‘accident’’ with regard to the motor carrier responsible for the operation of the attenuator truck?

Question 33: Are crashes involving motorists striking attenuator trucks while the impact attenuators or crash cushions are deployed included within the definition of ‘‘accident’’ with regard to the motor carrier responsible for the operation of the attenuator truck?

Guidance: No....

Recordkeeping requirements for electronic HOS files

Recordkeeping requirements for electronic HOS files

§395.15 Automatic on-board recording devices.   

Question 1: Must a motor carrier maintain a second (back-up copy) of the electronic hours-of-service files, by month, in a different physical...

May the step be a rung? If so, what minimum diameter must the rung be?

Access requirements for truck and truck-tractor cabs

Part 399

§ 399.207 Truck and truck-tractor access requirements

Question 4: Question:

May the step be a rung? If so, what minimum diameter must the rung be?

In § 399.207(b)(4), Illustration III, what does the unshaded area within the disc suggest?

Access requirements for truck and truck-tractor cabs

Part 399

§ 399.207 Truck and truck-tractor access requirements

Question 3: Question:

In § 399.207(b)(4), Illustration III, what does the unshaded area within the disc suggest...

What does the foot accommodation rule mean when it states: "The step need not retain the disc at rest"?

Access requirements for truck and truck-tractor cabs

Part 399

§ 399.207 Truck and truck-tractor access requirements

Question 2: Question:

What does the foot accommodation rule mean when it states: "The step need not retain the...