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Louisiana Regulations for Trucks, Vehicles and Loads

 

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  LEGAL LIMITATIONS AND DEPARTMENT REGULATIONS

Legal Limitations
Length
LENGTH -See Addendum A-1

The maximum legal length of any single vehicle is 45 feet.

The maximum legal length of a combination of vehicles on highways other than the Designated Truck Route shall be 65 feet.

The maximum legal length of a semi-trailer on the Designated Truck Route shall be 59 feet 6 inches.

The maximum legal length of any trailer, semi-trailer portion of a twin trailer combination of vehicles shall not exceed 30 feet.
Exception: The maximum legal combination length of specialized equipment (i.e., auto transporters, boat transporters, dromedary units) is 75 feet. In addition, the front overhang is not to exceed 3 feet and the rear overhang is not to exceed 4 feet.
Exception: The maximum legal length of the load carried by a combination of vehicles transporting forest products in their natural or treated state is 65 feet plus one (1) foot additional tolerance in length. However, these vehicles must comply with flag and lighting requirement (see page 44-46).
Exception: Sportsmen coaches or vehicles obviously used solely for recreational purposes and registered, therefore, may tow a combination of no more than two (2) vehicles and shall not exceed seventy (70) feet in total length.