['Cargo loading and securement']
['Cargo securement']
11/07/2025
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Arizona has adopted Part 393 of the Federal Motor Carrier Safety Regulations (FMCSRs), revised as of October 1, 2023 (and no later amendments or editions). The adoption includes regulations dealing with projecting loads (393.87) and cargo securement (Part 393, Subpart I).
Part 393 applies to a single motor vehicle or combination of motor vehicles which has a gross vehicle weight rating (GVWR) or gross weight of 26,001 pounds or more, and vehicles hauling hazardous materials in an amount required to be placarded.
In Arizona, a vehicle must be constructed or loaded to prevent any of its load from dropping, sifting, leaking, or otherwise escaping from the vehicle.
The load and any covering on the load must be securely fastened to prevent the covering or load from becoming loose, detached, or a hazard to other users of the highway.
This requirement does not apply to:
- The dropping of sand for traction,
- The sprinkling of water or another substance to clean or maintain the road, or
- Minor pieces of agricultural materials (leaves and stems) from agricultural loads.
['Cargo loading and securement']
['Cargo securement']
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