A passenger type vehicle shall not be operated on a highway with a load carried on the vehicle if the load extends beyond the line of the fenders on the left side of the vehicle or extends more than six inches beyond the line of the fenders on the right side of the vehicle.
A.R.S. § 28-1096
Projecting loads on passenger vehicles
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.