A. The driver of a motor vehicle traveling on a downgrade shall not coast with the gears of the vehicle in neutral.
B. The driver of a commercial motor vehicle traveling on a downgrade shall not coast with the clutch disengaged.
A.R.S. § 28-895
Coasting prohibited
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.