- § 390.3
- § 390.5
- § 390.9
State and local laws, effect on.
- § 390.15
Assistance in investigations and special studies.
- § 390.17
Additional equipment and accessories.
- § 390.21
Marking of self-propelled CMVs and intermodal equipment.
- § 390.23
Relief from regulations.
- § 390.31
Copies of records or documents.
Part 390Below are the available interpretations for the given section. To return to the list of parts, use the Parts link above. The menu to the left provides a full list of sections that have interpretations. To view interpretations for a different section, click on the menu item.
The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to FMCSA.Webmaster@dot.gov.
View the regulations for Part 390
Guidance for § 390.21: Marking of self-propelled CMVs and intermodal equipment.
Question 1: What markings must be displayed on a CMV when used by two or more motor carriers?
Guidance: The markings of the motor carrier responsible for the operation of the CMV must be displayed at the time of transportation. If 2 or more names are on the vehicle, the name of the operating motor carrier must be preceded by the words "operated by."