Compliance Just Got Easier: Stay ahead of regulatory changes with instant notifications on updates that matter.
['DOT marking identification']
['DOT marking identification']
11/08/2025
State Info
DOT marking identification - Louisiana
Louisiana has adopted 390.21 of the Federal Motor Carrier Safety Regulations (FMCSRs), revised as of January 1, 2021, and subsequent amendments.*
Section 390.21 applies to all intrastate commercial motor vehicles with a single or combined gross vehicle weight or gross vehicle weight rating over 26,000 pounds, and all vehicles transporting hazardous materials.
*Louisiana has adopted the USDOT marking regulations in 390.21 for intrastate CMVs. However, the state is not currently enforcing this regulation. Check with the state regarding any changes in this enforcement policy.
| Additional Requirements | Common and contract household goods, waste, and passenger carriers, wreckers, and tow trucks with intrastate authority granted by the Public Service Commission must display the name and address of the operator and his certificate or permit number in such a manner as to be plainly discernible. All other trucks operated on the highways must bear the name and address or equivalent identification of the owner or lessee on the outside of both truck doors in letters not less than 21/2 ins. in height and not less than 1/4 in. in width. Heavy equipment which weighs in excess of three tons and is capable of transporting itself or being transported on highways must have the emblem or name of the owner conspicuously displayed on the equipment in letters not less than two and one-half ins. in height and not less than one-quarter in. in width. |
['DOT marking identification']
['DOT marking identification']
UPGRADE TO CONTINUE READING
J. J. Keller is the trusted source for DOT / Transportation, OSHA / Workplace Safety, Human Resources, Construction Safety and Hazmat / Hazardous Materials regulation compliance products and services. J. J. Keller helps you increase safety awareness, reduce risk, follow best practices, improve safety training, and stay current with changing regulations.
Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
